201111220220112 has 80 divisors (see below), whose sum is σ = 581670280868160. Its totient is φ = 66525340003200.

The previous prime is 201111220220093. The next prime is 201111220220227. The reversal of 201111220220112 is 211022022111102.

201111220220112 is a `hidden beast` number, since 2 + 0 + 1 + 111 + 220 + 220 + 112 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1776795439 + ... + 1776908622.

It is an arithmetic number, because the mean of its divisors is an integer number (7270878510852).

Almost surely, 2^{201111220220112} is an apocalyptic number.

It is an amenable number.

201111220220112 is an abundant number, since it is smaller than the sum of its proper divisors (380559060648048).

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

201111220220112 is a wasteful number, since it uses less digits than its factorization.

201111220220112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3553704209 (or 3553704197 counting only the distinct ones).

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

Adding to 201111220220112 its reverse (211022022111102), we get a palindrome (412133242331214).

The spelling of 201111220220112 in words is "two hundred one trillion, one hundred eleven billion, two hundred twenty million, two hundred twenty thousand, one hundred twelve".