21022111332232 has 16 divisors (see below), whose sum is σ = 39418906760640. Its totient is φ = 10510402862736.

The previous prime is 21022111332203. The next prime is 21022111332241. The reversal of 21022111332232 is 23223311122012.

It is a junction number, because it is equal to n+sod(n) for n = 21022111332197 and 21022111332206.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81463548 + ... + 81721195.

It is an arithmetic number, because the mean of its divisors is an integer number (2463681672540).

Almost surely, 2^{21022111332232} is an apocalyptic number.

It is an amenable number.

21022111332232 is a deficient number, since it is larger than the sum of its proper divisors (18396795428408).

21022111332232 is a wasteful number, since it uses less digits than its factorization.

21022111332232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163200852 (or 163200848 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 21022111332232 its reverse (23223311122012), we get a palindrome (44245422454244).

The spelling of 21022111332232 in words is "twenty-one trillion, twenty-two billion, one hundred eleven million, three hundred thirty-two thousand, two hundred thirty-two".