21332001022031 has 32 divisors (see below), whose sum is σ = 26143797219840. Its totient is φ = 17016400066176.

The previous prime is 21332001022019. The next prime is 21332001022049. The reversal of 21332001022031 is 13022010023312.

It is not a de Polignac number, because 21332001022031 - 2³⁸ = 21057123115087 is a prime.

It is a super-2 number, since 2×21332001022031² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21332001021994 and 21332001022012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21332001022001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12467825 + ... + 14075178.

It is an arithmetic number, because the mean of its divisors is an integer number (816993663120).

Almost surely, 2^{21332001022031} is an apocalyptic number.

21332001022031 is a deficient number, since it is larger than the sum of its proper divisors (4811796197809).

21332001022031 is a wasteful number, since it uses less digits than its factorization.

21332001022031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26543183.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 21332001022031 its reverse (13022010023312), we get a palindrome (34354011045343).

The spelling of 21332001022031 in words is "twenty-one trillion, three hundred thirty-two billion, one million, twenty-two thousand, thirty-one".