22011021121112 has 32 divisors (see below), whose sum is σ = 44262480423600. Its totient is φ = 10229551023744.

The previous prime is 22011021121109. The next prime is 22011021121129. The reversal of 22011021121112 is 21112112011022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1366117883 + ... + 1366133994.

Almost surely, 2^{22011021121112} is an apocalyptic number.

It is an amenable number.

22011021121112 is an abundant number, since it is smaller than the sum of its proper divisors (22251459302488).

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

22011021121112 is a wasteful number, since it uses less digits than its factorization.

22011021121112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2732251955 (or 2732251951 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 22011021121112 its reverse (21112112011022), we get a palindrome (43123133132134).

The spelling of 22011021121112 in words is "twenty-two trillion, eleven billion, twenty-one million, one hundred twenty-one thousand, one hundred twelve".