202222212122011 has 4 divisors (see below), whose sum is σ = 202222621091512. Its totient is φ = 202221803152512.

The previous prime is 202222212121883. The next prime is 202222212122023. The reversal of 202222212122011 is 110221212222202.

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 202222212122011 - 2⁷ = 202222212121883 is a prime.

It is a super-2 number, since 2×202222212122011² (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 (202222212122071) 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, 203742150 + ... + 204732283.

It is an arithmetic number, because the mean of its divisors is an integer number (50555655272878).

Almost surely, 2^{202222212122011} is an apocalyptic number.

202222212122011 is a deficient number, since it is larger than the sum of its proper divisors (408969501).

202222212122011 is an equidigital number, since it uses as much as digits as its factorization.

202222212122011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408969500.

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

Adding to 202222212122011 its reverse (110221212222202), we get a palindrome (312443424344213).

The spelling of 202222212122011 in words is "two hundred two trillion, two hundred twenty-two billion, two hundred twelve million, one hundred twenty-two thousand, eleven".