21233021132032 has 36 divisors (see below), whose sum is σ = 42383695875136. Its totient is φ = 10616361500160.

The previous prime is 21233021132017. The next prime is 21233021132033. The reversal of 21233021132032 is 23023112033212.

It is a junction number, because it is equal to n+sod(n) for n = 21233021131988 and 21233021132006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21233021132033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18964807 + ... + 20053177.

Almost surely, 2^{21233021132032} is an apocalyptic number.

It is an amenable number.

21233021132032 is a deficient number, since it is larger than the sum of its proper divisors (21150674743104).

21233021132032 is an equidigital number, since it uses as much as digits as its factorization.

21233021132032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1164594 (or 1164580 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 21233021132032 its reverse (23023112033212), we get a palindrome (44256133165244).

The spelling of 21233021132032 in words is "twenty-one trillion, two hundred thirty-three billion, twenty-one million, one hundred thirty-two thousand, thirty-two".