22121404401300 has 72 divisors (see below), whose sum is σ = 64329493336416. Its totient is φ = 5869096786560.

The previous prime is 22121404401289. The next prime is 22121404401323. The reversal of 22121404401300 is 310440412122.

It is a super-2 number, since 2×22121404401300² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 187093222 + ... + 187211421.

It is an arithmetic number, because the mean of its divisors is an integer number (893465185228).

Almost surely, 2^{22121404401300} is an apocalyptic number.

22121404401300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22121404401300 is an abundant number, since it is smaller than the sum of its proper divisors (42208088935116).

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

22121404401300 is a wasteful number, since it uses less digits than its factorization.

22121404401300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374304857 (or 374304850 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 22121404401300 its reverse (310440412122), we get a palindrome (22431844813422).

The spelling of 22121404401300 in words is "twenty-two trillion, one hundred twenty-one billion, four hundred four million, four hundred one thousand, three hundred".