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111100022110212 = 223193718172761057
BaseRepresentation
bin11001010000101101111101…
…010110100011100000000100
3112120101001120120012212100120
4121100231331112203200010
5104030230321130011322
61032142351235141540
732254466055262422
oct3120557526434004
9476331516185316
10111100022110212
1132444289122993
1210563b187448b0
1349cb8c181b4a5
141d613ac322112
15cc9e770cea5c
hex650b7d5a3804

111100022110212 has 96 divisors (see below), whose sum is σ = 281800667191680. Its totient is φ = 33947398287360.

The previous prime is 111100022110177. The next prime is 111100022110223. The reversal of 111100022110212 is 212011220001111.

It is a happy number.

It is a super-2 number, since 2×1111000221102122 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111100022110191 and 111100022110200.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34853613 + ... + 37907444.

It is an arithmetic number, because the mean of its divisors is an integer number (2935423616580).

Almost surely, 2111100022110212 is an apocalyptic number.

111100022110212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111100022110212 is an abundant number, since it is smaller than the sum of its proper divisors (170700645081468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111100022110212 is a wasteful number, since it uses less digits than its factorization.

111100022110212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72761301 (or 72761299 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 111100022110212 its reverse (212011220001111), we get a palindrome (323111242111323).

The spelling of 111100022110212 in words is "one hundred eleven trillion, one hundred billion, twenty-two million, one hundred ten thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 19 37 38 57 74 76 111 114 148 181 222 228 362 444 543 703 724 1086 1406 2109 2172 2812 3439 4218 6697 6878 8436 10317 13394 13756 20091 20634 26788 40182 41268 80364 127243 254486 381729 508972 763458 1526916 72761057 145522114 218283171 291044228 436566342 873132684 1382460083 2692159109 2764920166 4147380249 5384318218 5529840332 8076477327 8294760498 10768636436 13169751317 16152954654 16589520996 26339502634 32305909308 39509253951 51151023071 52679005268 79018507902 102302046142 153453069213 158037015804 204604092284 250225275023 306906138426 487280798729 500450550046 613812276852 750675825069 974561597458 1000901100092 1461842396187 1501351650138 1949123194916 2923684792374 3002703300276 5847369584748 9258335175851 18516670351702 27775005527553 37033340703404 55550011055106 111100022110212