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11120202212020 = 22511210942157109
BaseRepresentation
bin1010000111010001111110…
…1100111110001010110100
31110101002012000022201112221
42201310133230332022310
52424143133231241040
635352314514052124
72225256656135206
oct241643754761264
943332160281487
1011120202212020
1135a8062277a00
1212b720527a044
1362882748b4b5
142a63136b8776
151443de2a474a
hexa1d1fb3e2b4

11120202212020 has 72 divisors (see below), whose sum is σ = 25903857810600. Its totient is φ = 4006611544320.

The previous prime is 11120202212017. The next prime is 11120202212033. The reversal of 11120202212020 is 2021220202111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1192686778404 + 9927515433616 = 1092102^2 + 3150796^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11120202211985 and 11120202212003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20814775 + ... + 21342334.

It is an arithmetic number, because the mean of its divisors is an integer number (359775802925).

Almost surely, 211120202212020 is an apocalyptic number.

11120202212020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11120202212020 is an abundant number, since it is smaller than the sum of its proper divisors (14783655598580).

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

11120202212020 is a wasteful number, since it uses less digits than its factorization.

11120202212020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42157249 (or 42157236 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11120202212020 its reverse (2021220202111), we get a palindrome (13141422414131).

The spelling of 11120202212020 in words is "eleven trillion, one hundred twenty billion, two hundred two million, two hundred twelve thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 109 110 121 218 220 242 436 484 545 605 1090 1199 1210 2180 2398 2420 4796 5995 11990 13189 23980 26378 52756 65945 131890 263780 42157109 84314218 168628436 210785545 421571090 463728199 843142180 927456398 1854912796 2318640995 4595124881 4637281990 5101010189 9190249762 9274563980 10202020378 18380499524 20404040756 22975624405 25505050945 45951248810 50546373691 51010101890 91902497620 101092747382 102020203780 202185494764 252731868455 505463736910 556010110601 1010927473820 1112020221202 2224040442404 2780050553005 5560101106010 11120202212020