22021202201021 has 16 divisors (see below), whose sum is σ = 23690211782400. Its totient is φ = 20403822624768.

The previous prime is 22021202200913. The next prime is 22021202201071. The reversal of 22021202201021 is 12010220212022.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22021202201021 - 2²⁶ = 22021135092157 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 (22021202201071) 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, 7492580 + ... + 10009053.

It is an arithmetic number, because the mean of its divisors is an integer number (1480638236400).

Almost surely, 2^{22021202201021} is an apocalyptic number.

It is an amenable number.

22021202201021 is a deficient number, since it is larger than the sum of its proper divisors (1669009581379).

22021202201021 is a wasteful number, since it uses less digits than its factorization.

22021202201021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17503108.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22021202201021 its reverse (12010220212022), we get a palindrome (34031422413043).

The spelling of 22021202201021 in words is "twenty-two trillion, twenty-one billion, two hundred two million, two hundred one thousand, twenty-one".