222202010010021 has 16 divisors (see below), whose sum is σ = 296604835258368. Its totient is φ = 147966940321200.

The previous prime is 222202010009929. The next prime is 222202010010031. The reversal of 222202010010021 is 120010010202222.

It is not a de Polignac number, because 222202010010021 - 2⁷ = 222202010009893 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222202010010031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78319656 + ... + 81107166.

It is an arithmetic number, because the mean of its divisors is an integer number (18537802203648).

Almost surely, 2^{222202010010021} is an apocalyptic number.

It is an amenable number.

222202010010021 is a deficient number, since it is larger than the sum of its proper divisors (74402825248347).

222202010010021 is a wasteful number, since it uses less digits than its factorization.

222202010010021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2817592.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 222202010010021 its reverse (120010010202222), we get a palindrome (342212020212243).

The spelling of 222202010010021 in words is "two hundred twenty-two trillion, two hundred two billion, ten million, ten thousand, twenty-one".