202202022122111 has 4 divisors (see below), whose sum is σ = 220584024133224. Its totient is φ = 183820020111000.

The previous prime is 202202022122099. The next prime is 202202022122119. The reversal of 202202022122111 is 111221220202202.

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 202202022122111 - 2⁶ = 202202022122047 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 (202202022122119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9191001005540 + ... + 9191001005561.

It is an arithmetic number, because the mean of its divisors is an integer number (55146006033306).

Almost surely, 2^{202202022122111} is an apocalyptic number.

202202022122111 is a deficient number, since it is larger than the sum of its proper divisors (18382002011113).

202202022122111 is a wasteful number, since it uses less digits than its factorization.

202202022122111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18382002011112.

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

Adding to 202202022122111 its reverse (111221220202202), we get a palindrome (313423242324313).

The spelling of 202202022122111 in words is "two hundred two trillion, two hundred two billion, twenty-two million, one hundred twenty-two thousand, one hundred eleven".