22002201220021 has 16 divisors (see below), whose sum is σ = 24296789885760. Its totient is φ = 19756780549120.

The previous prime is 22002201219991. The next prime is 22002201220031. The reversal of 22002201220021 is 12002210220022.

It is a cyclic number.

It is not a de Polignac number, because 22002201220021 - 2¹³ = 22002201211829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22002201219977 and 22002201220004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22002201220031) 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, 1687935 + ... + 6844963.

It is an arithmetic number, because the mean of its divisors is an integer number (1518549367860).

Almost surely, 2^{22002201220021} is an apocalyptic number.

It is an amenable number.

22002201220021 is a deficient number, since it is larger than the sum of its proper divisors (2294588665739).

22002201220021 is a wasteful number, since it uses less digits than its factorization.

22002201220021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5161796.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22002201220021 its reverse (12002210220022), we get a palindrome (34004411440043).

Subtracting from 22002201220021 its reverse (12002210220022), we obtain a palindrome (9999990999999).

It can be divided in two parts, 22002201 and 220021, that added together give a palindrome (22222222).

The spelling of 22002201220021 in words is "twenty-two trillion, two billion, two hundred one million, two hundred twenty thousand, twenty-one".