21103013002032 has 120 divisors (see below), whose sum is σ = 63604441555200. Its totient is φ = 6492999435264.

The previous prime is 21103013002003. The next prime is 21103013002039. The reversal of 21103013002032 is 23020031030112.

21103013002032 is a `hidden beast` number, since 2 + 1 + 10 + 301 + 300 + 20 + 32 = 666.

It is a super-2 number, since 2×21103013002032² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 21103013001996 and 21103013002014.

It is not an unprimeable number, because it can be changed into a prime (21103013002039) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55519444 + ... + 55898252.

It is an arithmetic number, because the mean of its divisors is an integer number (530037012960).

Almost surely, 2^{21103013002032} is an apocalyptic number.

It is an amenable number.

21103013002032 is an abundant number, since it is smaller than the sum of its proper divisors (42501428553168).

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

21103013002032 is a wasteful number, since it uses less digits than its factorization.

21103013002032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408595 (or 408586 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 21103013002032 its reverse (23020031030112), we get a palindrome (44123044032144).

The spelling of 21103013002032 in words is "twenty-one trillion, one hundred three billion, thirteen million, two thousand, thirty-two".