112222212101220 has 96 divisors (see below), whose sum is σ = 346646622994560. Its totient is φ = 26950174755840.

The previous prime is 112222212101201. The next prime is 112222212101249. The reversal of 112222212101220 is 22101212222211.

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, 1754536690 + ... + 1754600649.

It is an arithmetic number, because the mean of its divisors is an integer number (3610902322860).

Almost surely, 2^{112222212101220} is an apocalyptic number.

112222212101220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112222212101220 is an abundant number, since it is smaller than the sum of its proper divisors (234424410893340).

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

112222212101220 is a wasteful number, since it uses less digits than its factorization.

112222212101220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3509137405 (or 3509137403 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 112222212101220 its reverse (22101212222211), we get a palindrome (134323424323431).

The spelling of 112222212101220 in words is "one hundred twelve trillion, two hundred twenty-two billion, two hundred twelve million, one hundred one thousand, two hundred twenty".