202111121022179 has 2 divisors, whose sum is σ = 202111121022180. Its totient is φ = 202111121022178.

The previous prime is 202111121022073. The next prime is 202111121022197. The reversal of 202111121022179 is 971220121111202.

Together with next prime (202111121022197) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 202111121022179 - 2²⁸ = 202110852586723 is a prime.

It is a super-2 number, since 2×202111121022179² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (202111121042179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101055560511089 + 101055560511090.

It is an arithmetic number, because the mean of its divisors is an integer number (101055560511090).

Almost surely, 2^{202111121022179} is an apocalyptic number.

202111121022179 is a deficient number, since it is larger than the sum of its proper divisors (1).

202111121022179 is an equidigital number, since it uses as much as digits as its factorization.

202111121022179 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 32.

The spelling of 202111121022179 in words is "two hundred two trillion, one hundred eleven billion, one hundred twenty-one million, twenty-two thousand, one hundred seventy-nine".