22011021122000 has 160 divisors (see below), whose sum is σ = 54384311824128. Its totient is φ = 8614132800000.

The previous prime is 22011021121961. The next prime is 22011021122011. The reversal of 22011021122000 is 22112011022.

It is a congruent number.

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, 18010370 + ... + 19193630.

Almost surely, 2^{22011021122000} is an apocalyptic number.

22011021122000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22011021122000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27192155912064).

22011021122000 is an abundant number, since it is smaller than the sum of its proper divisors (32373290702128).

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

22011021122000 is a wasteful number, since it uses less digits than its factorization.

22011021122000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183486 (or 1183470 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22011021122000 its reverse (22112011022), we get a palindrome (22033133133022).

The spelling of 22011021122000 in words is "twenty-two trillion, eleven billion, twenty-one million, one hundred twenty-two thousand".