22121023304000 has 56 divisors (see below), whose sum is σ = 54782714232168. Its totient is φ = 8848409318400.

The previous prime is 22121023303927. The next prime is 22121023304041. The reversal of 22121023304000 is 40332012122.

22121023304000 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 27563968576 + 22093459335424 = 166024^2 + 4700368^2 .

It is a super-2 number, since 2×22121023304000² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 1382555957 + ... + 1382571956.

Almost surely, 2^{22121023304000} is an apocalyptic number.

22121023304000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22121023304000 is an abundant number, since it is smaller than the sum of its proper divisors (32661690928168).

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

22121023304000 is an equidigital number, since it uses as much as digits as its factorization.

22121023304000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2765127940 (or 2765127920 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 22121023304000 its reverse (40332012122), we get a palindrome (22161355316122).

The spelling of 22121023304000 in words is "twenty-two trillion, one hundred twenty-one billion, twenty-three million, three hundred four thousand".