21110122022000 has 160 divisors (see below), whose sum is σ = 55689126524928. Its totient is φ = 7675792800000.

The previous prime is 21110122021987. The next prime is 21110122022027. The reversal of 21110122022000 is 22022101112.

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, 344731385 + ... + 344792615.

Almost surely, 2^{21110122022000} is an apocalyptic number.

21110122022000 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 21110122022000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27844563262464).

21110122022000 is an abundant number, since it is smaller than the sum of its proper divisors (34579004502928).

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

21110122022000 is a wasteful number, since it uses less digits than its factorization.

21110122022000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76936 (or 76920 counting only the distinct ones).

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

Adding to 21110122022000 its reverse (22022101112), we get a palindrome (21132144123112).

The spelling of 21110122022000 in words is "twenty-one trillion, one hundred ten billion, one hundred twenty-two million, twenty-two thousand".