22002010021 has 8 divisors (see below), whose sum is σ = 22141171584. Its totient is φ = 21862937040.

The previous prime is 22002010007. The next prime is 22002010033. The reversal of 22002010021 is 12001020022.

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 22002010021 - 2²³ = 21993621413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22002010061) 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, 517456 + ... + 558358.

It is an arithmetic number, because the mean of its divisors is an integer number (2767646448).

Almost surely, 2^22002010021 is an apocalyptic number.

It is an amenable number.

22002010021 is a deficient number, since it is larger than the sum of its proper divisors (139161563).

22002010021 is a wasteful number, since it uses less digits than its factorization.

22002010021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44291.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 22002010021 its reverse (12001020022), we get a palindrome (34003030043).

The spelling of 22002010021 in words is "twenty-two billion, two million, ten thousand, twenty-one".