22111021202112 has 42 divisors (see below), whose sum is σ = 63377250009788. Its totient is φ = 7370340400512.

The previous prime is 22111021202089. The next prime is 22111021202131. The reversal of 22111021202112 is 21120212011122.

22111021202112 is a `hidden beast` number, since 221 + 110 + 2 + 120 + 211 + 2 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19193594218 + ... + 19193595369.

Almost surely, 2^{22111021202112} is an apocalyptic number.

It is an amenable number.

22111021202112 is an abundant number, since it is smaller than the sum of its proper divisors (41266228807676).

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

22111021202112 is a wasteful number, since it uses less digits than its factorization.

22111021202112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38387189605 (or 38387189592 counting only the distinct ones).

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

Adding to 22111021202112 its reverse (21120212011122), we get a palindrome (43231233213234).

The spelling of 22111021202112 in words is "twenty-two trillion, one hundred eleven billion, twenty-one million, two hundred two thousand, one hundred twelve".