201111110222112 has 192 divisors, whose sum is σ = 638737647408000. Its totient is φ = 61318813860864.

The previous prime is 201111110222063. The next prime is 201111110222123. The reversal of 201111110222112 is 211222011111102.

It is a happy number.

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 31 ways as a sum of consecutive naturals, for example, 210746703 + ... + 211698830.

It is an arithmetic number, because the mean of its divisors is an integer number (3326758580250).

Almost surely, 2^{201111110222112} is an apocalyptic number.

It is an amenable number.

201111110222112 is an abundant number, since it is smaller than the sum of its proper divisors (437626537185888).

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

201111110222112 is a wasteful number, since it uses less digits than its factorization.

201111110222112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422445600 (or 422445586 counting only the distinct ones).

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

Adding to 201111110222112 its reverse (211222011111102), we get a palindrome (412333121333214).

The spelling of 201111110222112 in words is "two hundred one trillion, one hundred eleven billion, one hundred ten million, two hundred twenty-two thousand, one hundred twelve".