112211221002120 has 192 divisors, whose sum is σ = 386624888432640. Its totient is φ = 28175092876800.

The previous prime is 112211221002119. The next prime is 112211221002163. The reversal of 112211221002120 is 21200122112211.

112211221002120 is a `hidden beast` number, since 11 + 221 + 1 + 221 + 0 + 0 + 212 + 0 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 112211221002093 and 112211221002102.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 135462336 + ... + 136288175.

It is an arithmetic number, because the mean of its divisors is an integer number (2013671293920).

Almost surely, 2^{112211221002120} is an apocalyptic number.

112211221002120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112211221002120 is an abundant number, since it is smaller than the sum of its proper divisors (274413667430520).

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

112211221002120 is a wasteful number, since it uses less digits than its factorization.

112211221002120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271750596 (or 271750589 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 112211221002120 its reverse (21200122112211), we get a palindrome (133411343114331).

The spelling of 112211221002120 in words is "one hundred twelve trillion, two hundred eleven billion, two hundred twenty-one million, two thousand, one hundred twenty".