21033122032 has 40 divisors (see below), whose sum is σ = 43905957200. Its totient is φ = 9703272960.

The previous prime is 21033122023. The next prime is 21033122053. The reversal of 21033122032 is 23022133012.

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, 471844 + ... + 514492.

It is an arithmetic number, because the mean of its divisors is an integer number (1097648930).

Almost surely, 2^21033122032 is an apocalyptic number.

It is an amenable number.

21033122032 is an abundant number, since it is smaller than the sum of its proper divisors (22872835168).

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

21033122032 is a wasteful number, since it uses less digits than its factorization.

21033122032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45041 (or 45035 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 21033122032 its reverse (23022133012), we get a palindrome (44055255044).

The spelling of 21033122032 in words is "twenty-one billion, thirty-three million, one hundred twenty-two thousand, thirty-two".