22131100001320 has 32 divisors (see below), whose sum is σ = 50100465661920. Its totient is φ = 8798130550080.

The previous prime is 22131100001299. The next prime is 22131100001341. The reversal of 22131100001320 is 2310000113122.

It is an interprime number because it is at equal distance from previous prime (22131100001299) and next prime (22131100001341).

It is a super-2 number, since 2×22131100001320² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22131100001294 and 22131100001303.

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, 1697163726 + ... + 1697176765.

It is an arithmetic number, because the mean of its divisors is an integer number (1565639551935).

Almost surely, 2^{22131100001320} is an apocalyptic number.

22131100001320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22131100001320 is an abundant number, since it is smaller than the sum of its proper divisors (27969365660600).

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

22131100001320 is a wasteful number, since it uses less digits than its factorization.

22131100001320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3394340665 (or 3394340661 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 22131100001320 its reverse (2310000113122), we get a palindrome (24441100114442).

The spelling of 22131100001320 in words is "twenty-two trillion, one hundred thirty-one billion, one hundred million, one thousand, three hundred twenty".