22220121121300 has 18 divisors (see below), whose sum is σ = 48217662833438. Its totient is φ = 8888048448480.

The previous prime is 22220121121291. The next prime is 22220121121313. The reversal of 22220121121300 is 312112102222.

It can be written as a sum of positive squares in 3 ways, for example, as 1015072370064 + 21205048751236 = 1007508^2 + 4604894^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111100605507 + ... + 111100605706.

Almost surely, 2^{22220121121300} is an apocalyptic number.

22220121121300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22220121121300 is an abundant number, since it is smaller than the sum of its proper divisors (25997541712138).

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

22220121121300 is a wasteful number, since it uses less digits than its factorization.

22220121121300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222201211227 (or 222201211220 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 22220121121300 its reverse (312112102222), we get a palindrome (22532233223522).

The spelling of 22220121121300 in words is "twenty-two trillion, two hundred twenty billion, one hundred twenty-one million, one hundred twenty-one thousand, three hundred".