22111220201112 has 96 divisors (see below), whose sum is σ = 70289207133600. Its totient is φ = 6146748467712.

The previous prime is 22111220201101. The next prime is 22111220201123. The reversal of 22111220201112 is 21110202211122.

22111220201112 is a `hidden beast` number, since 22 + 111 + 220 + 201 + 112 = 666.

It is an interprime number because it is at equal distance from previous prime (22111220201101) and next prime (22111220201123).

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 23 ways as a sum of consecutive naturals, for example, 592839037 + ... + 592876332.

It is an arithmetic number, because the mean of its divisors is an integer number (732179240975).

Almost surely, 2^{22111220201112} is an apocalyptic number.

It is an amenable number.

22111220201112 is an abundant number, since it is smaller than the sum of its proper divisors (48177986932488).

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

22111220201112 is a wasteful number, since it uses less digits than its factorization.

22111220201112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1185715425 (or 1185715418 counting only the distinct ones).

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

Adding to 22111220201112 its reverse (21110202211122), we get a palindrome (43221422412234).

The spelling of 22111220201112 in words is "twenty-two trillion, one hundred eleven billion, two hundred twenty million, two hundred one thousand, one hundred twelve".