21022103525032 has 64 divisors (see below), whose sum is σ = 40521037708800. Its totient is φ = 10217049373440.

The previous prime is 21022103524987. The next prime is 21022103525063. The reversal of 21022103525032 is 23052530122012.

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, 2332933407 + ... + 2332942417.

It is an arithmetic number, because the mean of its divisors is an integer number (633141214200).

Almost surely, 2^{21022103525032} is an apocalyptic number.

It is an amenable number.

21022103525032 is a deficient number, since it is larger than the sum of its proper divisors (19498934183768).

21022103525032 is a wasteful number, since it uses less digits than its factorization.

21022103525032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15826 (or 15822 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 21022103525032 its reverse (23052530122012), we get a palindrome (44074633647044).

The spelling of 21022103525032 in words is "twenty-one trillion, twenty-two billion, one hundred three million, five hundred twenty-five thousand, thirty-two".