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11112202212 = 22319186126189
BaseRepresentation
bin10100101100101011…
…01011111111100100
31001200102120100201220
422112111223333210
5140224210432322
65034353020340
7542241105666
oct122625537744
931612510656
1011112202212
114792603aa1
1221a15546b0
1310812511a7
14775b5a536
1545085455c
hex29656bfe4

11112202212 has 48 divisors (see below), whose sum is σ = 27308836800. Its totient is φ = 3507096960.

The previous prime is 11112202187. The next prime is 11112202217. The reversal of 11112202212 is 21220221111.

It is a junction number, because it is equal to n+sod(n) for n = 11112202191 and 11112202200.

It is not an unprimeable number, because it can be changed into a prime (11112202217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 411214 + ... + 437402.

It is an arithmetic number, because the mean of its divisors is an integer number (568934100).

Almost surely, 211112202212 is an apocalyptic number.

11112202212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11112202212 is an abundant number, since it is smaller than the sum of its proper divisors (16196634588).

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

11112202212 is a wasteful number, since it uses less digits than its factorization.

11112202212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28076 (or 28074 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11112202212 its reverse (21220221111), we get a palindrome (32332423323).

The spelling of 11112202212 in words is "eleven billion, one hundred twelve million, two hundred two thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 1861 3722 5583 7444 11166 22332 26189 35359 52378 70718 78567 104756 106077 141436 157134 212154 314268 424308 497591 995182 1492773 1990364 2985546 5971092 48737729 97475458 146213187 194950916 292426374 584852748 926016851 1852033702 2778050553 3704067404 5556101106 11112202212