112112201121210 has 80 divisors (see below), whose sum is σ = 301522753404576. Its totient is φ = 29890090949472.

The previous prime is 112112201121163. The next prime is 112112201121223. The reversal of 112112201121210 is 12121102211211.

It is a happy number.

112112201121210 is a `hidden beast` number, since 1 + 1 + 211 + 220 + 1 + 1 + 21 + 210 = 666.

It is a super-2 number, since 2×112112201121210² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 11306344 + ... + 18763203.

Almost surely, 2^{112112201121210} is an apocalyptic number.

112112201121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

112112201121210 is an abundant number, since it is smaller than the sum of its proper divisors (189410552283366).

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

112112201121210 is a wasteful number, since it uses less digits than its factorization.

112112201121210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30074169 (or 30074160 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 112112201121210 its reverse (12121102211211), we get a palindrome (124233303332421).

The spelling of 112112201121210 in words is "one hundred twelve trillion, one hundred twelve billion, two hundred one million, one hundred twenty-one thousand, two hundred ten".