22131331002100 has 72 divisors (see below), whose sum is σ = 51841066959360. Its totient is φ = 8175652087680.

The previous prime is 22131331002089. The next prime is 22131331002103. The reversal of 22131331002100 is 120013313122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22131331002103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 165835332 + ... + 165968731.

It is an arithmetic number, because the mean of its divisors is an integer number (720014818880).

Almost surely, 2^{22131331002100} is an apocalyptic number.

22131331002100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22131331002100 is an abundant number, since it is smaller than the sum of its proper divisors (29709735957260).

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

22131331002100 is a wasteful number, since it uses less digits than its factorization.

22131331002100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331804129 (or 331804122 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 22131331002100 its reverse (120013313122), we get a palindrome (22251344315222).

The spelling of 22131331002100 in words is "twenty-two trillion, one hundred thirty-one billion, three hundred thirty-one million, two thousand, one hundred".