122211886994531 has 2 divisors, whose sum is σ = 122211886994532. Its totient is φ = 122211886994530.

The previous prime is 122211886994503. The next prime is 122211886994539. The reversal of 122211886994531 is 135499688112221.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122211886994531 - 2⁴⁶ = 51843142816867 is a prime.

It is a super-2 number, since 2×122211886994531² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (122211886994539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61105943497265 + 61105943497266.

It is an arithmetic number, because the mean of its divisors is an integer number (61105943497266).

Almost surely, 2^{122211886994531} is an apocalyptic number.

122211886994531 is a deficient number, since it is larger than the sum of its proper divisors (1).

122211886994531 is an equidigital number, since it uses as much as digits as its factorization.

122211886994531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14929920, while the sum is 62.

The spelling of 122211886994531 in words is "one hundred twenty-two trillion, two hundred eleven billion, eight hundred eighty-six million, nine hundred ninety-four thousand, five hundred thirty-one".