22010510021 has 8 divisors (see below), whose sum is σ = 22037436864. Its totient is φ = 21983603040.

The previous prime is 22010510003. The next prime is 22010510023. The reversal of 22010510021 is 12001501022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22010510021 - 2⁶ = 22010509957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22010509978 and 22010510005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22010510023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3592841 + ... + 3598961.

It is an arithmetic number, because the mean of its divisors is an integer number (2754679608).

Almost surely, 2^22010510021 is an apocalyptic number.

It is an amenable number.

22010510021 is a deficient number, since it is larger than the sum of its proper divisors (26926843).

22010510021 is a wasteful number, since it uses less digits than its factorization.

22010510021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9931.

The product of its (nonzero) digits is 40, while the sum is 14.

The spelling of 22010510021 in words is "twenty-two billion, ten million, five hundred ten thousand, twenty-one".