112211102120220 has 72 divisors (see below), whose sum is σ = 351353472462720. Its totient is φ = 28957703771520.

The previous prime is 112211102120213. The next prime is 112211102120263. The reversal of 112211102120220 is 22021201112211.

112211102120220 is a `hidden beast` number, since 1 + 1 + 221 + 1 + 10 + 212 + 0 + 220 = 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 = 112211102120193 and 112211102120202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10054752675 + ... + 10054763834.

It is an arithmetic number, because the mean of its divisors is an integer number (4879909339760).

Almost surely, 2^{112211102120220} is an apocalyptic number.

112211102120220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112211102120220 is an abundant number, since it is smaller than the sum of its proper divisors (239142370342500).

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

112211102120220 is a wasteful number, since it uses less digits than its factorization.

112211102120220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20109516555 (or 20109516550 counting only the distinct ones).

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

Adding to 112211102120220 its reverse (22021201112211), we get a palindrome (134232303232431).

The spelling of 112211102120220 in words is "one hundred twelve trillion, two hundred eleven billion, one hundred two million, one hundred twenty thousand, two hundred twenty".