21103300131132 has 24 divisors (see below), whose sum is σ = 49543125874816. Its totient is φ = 6991277343408.

The previous prime is 21103300131091. The next prime is 21103300131187. The reversal of 21103300131132 is 23113100330112.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 21103300131099 and 21103300131108.

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, 5394502168 + ... + 5394506079.

Almost surely, 2^{21103300131132} is an apocalyptic number.

It is an amenable number.

21103300131132 is an abundant number, since it is smaller than the sum of its proper divisors (28439825743684).

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

21103300131132 is a wasteful number, since it uses less digits than its factorization.

21103300131132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10789008417 (or 10789008415 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 21103300131132 its reverse (23113100330112), we get a palindrome (44216400461244).

The spelling of 21103300131132 in words is "twenty-one trillion, one hundred three billion, three hundred million, one hundred thirty-one thousand, one hundred thirty-two".