22002200111021 has 16 divisors (see below), whose sum is σ = 25094782319040. Its totient is φ = 19122748686720.

The previous prime is 22002200111009. The next prime is 22002200111051. The reversal of 22002200111021 is 12011100220022.

It is a cyclic number.

It is not a de Polignac number, because 22002200111021 - 2³⁴ = 21985020241837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22002200110987 and 22002200111005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22002200111051) 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, 273204320 + ... + 273284841.

It is an arithmetic number, because the mean of its divisors is an integer number (1568423894940).

Almost surely, 2^{22002200111021} is an apocalyptic number.

It is an amenable number.

22002200111021 is a deficient number, since it is larger than the sum of its proper divisors (3092582208019).

22002200111021 is a wasteful number, since it uses less digits than its factorization.

22002200111021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546489356.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22002200111021 its reverse (12011100220022), we get a palindrome (34013300331043).

The spelling of 22002200111021 in words is "twenty-two trillion, two billion, two hundred million, one hundred eleven thousand, twenty-one".