21122131023300 has 36 divisors (see below), whose sum is σ = 61113365761616. Its totient is φ = 5632568272800.

The previous prime is 21122131023223. The next prime is 21122131023307. The reversal of 21122131023300 is 332013122112.

It is a super-2 number, since 2×21122131023300² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21122131023307) 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 11 ways as a sum of consecutive naturals, for example, 35203551406 + ... + 35203552005.

Almost surely, 2^{21122131023300} is an apocalyptic number.

21122131023300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21122131023300 is an abundant number, since it is smaller than the sum of its proper divisors (39991234738316).

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

21122131023300 is a wasteful number, since it uses less digits than its factorization.

21122131023300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70407103428 (or 70407103421 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 21122131023300 its reverse (332013122112), we get a palindrome (21454144145412).

The spelling of 21122131023300 in words is "twenty-one trillion, one hundred twenty-two billion, one hundred thirty-one million, twenty-three thousand, three hundred".