222202120211021 has 16 divisors (see below), whose sum is σ = 236237409302400. Its totient is φ = 208404059502528.

The previous prime is 222202120211017. The next prime is 222202120211023. The reversal of 222202120211021 is 120112021202222.

222202120211021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 222202120211021 - 2² = 222202120211017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222202120210984 and 222202120211002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222202120211023) 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, 41713841 + ... + 46738086.

It is an arithmetic number, because the mean of its divisors is an integer number (14764838081400).

Almost surely, 2^{222202120211021} is an apocalyptic number.

It is an amenable number.

222202120211021 is a deficient number, since it is larger than the sum of its proper divisors (14035289091379).

222202120211021 is a wasteful number, since it uses less digits than its factorization.

222202120211021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88453268.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 222202120211021 its reverse (120112021202222), we get a palindrome (342314141413243).

The spelling of 222202120211021 in words is "two hundred twenty-two trillion, two hundred two billion, one hundred twenty million, two hundred eleven thousand, twenty-one".