202202222212111 has 4 divisors (see below), whose sum is σ = 220584242413224. Its totient is φ = 183820202011000.

The previous prime is 202202222212033. The next prime is 202202222212127. The reversal of 202202222212111 is 111212222202202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 202202222212111 - 2²¹ = 202202220114959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202202222212141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9191010100540 + ... + 9191010100561.

It is an arithmetic number, because the mean of its divisors is an integer number (55146060603306).

Almost surely, 2^{202202222212111} is an apocalyptic number.

202202222212111 is a deficient number, since it is larger than the sum of its proper divisors (18382020201113).

202202222212111 is a wasteful number, since it uses less digits than its factorization.

202202222212111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18382020201112.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 202202222212111 its reverse (111212222202202), we get a palindrome (313414444414313).

Subtracting from 202202222212111 its reverse (111212222202202), we obtain a palindrome (90990000009909).

The spelling of 202202222212111 in words is "two hundred two trillion, two hundred two billion, two hundred twenty-two million, two hundred twelve thousand, one hundred eleven".