22022100021120 has 128 divisors (see below), whose sum is σ = 70984157220000. Its totient is φ = 5806576140288.

The previous prime is 22022100021101. The next prime is 22022100021161. The reversal of 22022100021120 is 2112000122022.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 22022100021120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64266445 + ... + 64608204.

Almost surely, 2^{22022100021120} is an apocalyptic number.

22022100021120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22022100021120 is an abundant number, since it is smaller than the sum of its proper divisors (48962057198880).

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

22022100021120 is a wasteful number, since it uses less digits than its factorization.

22022100021120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128874760 (or 128874748 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22022100021120 its reverse (2112000122022), we get a palindrome (24134100143142).

The spelling of 22022100021120 in words is "twenty-two trillion, twenty-two billion, one hundred million, twenty-one thousand, one hundred twenty".