202202111121211 has 32 divisors (see below), whose sum is σ = 208841958996480. Its totient is φ = 195702069378816.

The previous prime is 202202111121163. The next prime is 202202111121239. The reversal of 202202111121211 is 112121111202202.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 202202111121211 - 2²⁵ = 202202077566779 is a prime.

It is a super-2 number, since 2×202202111121211² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202202111122211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1073399050 + ... + 1073587408.

It is an arithmetic number, because the mean of its divisors is an integer number (6526311218640).

Almost surely, 2^{202202111121211} is an apocalyptic number.

202202111121211 is a deficient number, since it is larger than the sum of its proper divisors (6639847875269).

202202111121211 is a wasteful number, since it uses less digits than its factorization.

202202111121211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189763.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 202202111121211 its reverse (112121111202202), we get a palindrome (314323222323413).

The spelling of 202202111121211 in words is "two hundred two trillion, two hundred two billion, one hundred eleven million, one hundred twenty-one thousand, two hundred eleven".