21000023332332 has 48 divisors (see below), whose sum is σ = 53582181609600. Its totient is φ = 6348455724160.

The previous prime is 21000023332291. The next prime is 21000023332373. The reversal of 21000023332332 is 23323332000012.

It is an interprime number because it is at equal distance from previous prime (21000023332291) and next prime (21000023332373).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189790857 + ... + 189901472.

It is an arithmetic number, because the mean of its divisors is an integer number (1116295450200).

Almost surely, 2^{21000023332332} is an apocalyptic number.

21000023332332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21000023332332 is an abundant number, since it is smaller than the sum of its proper divisors (32582158277268).

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

21000023332332 is a wasteful number, since it uses less digits than its factorization.

21000023332332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379692766 (or 379692764 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 21000023332332 its reverse (23323332000012), we get a palindrome (44323355332344).

The spelling of 21000023332332 in words is "twenty-one trillion, twenty-three million, three hundred thirty-two thousand, three hundred thirty-two".