122202221879 has 2 divisors, whose sum is σ = 122202221880. Its totient is φ = 122202221878.

The previous prime is 122202221849. The next prime is 122202221903. The reversal of 122202221879 is 978122202221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122202221879 - 2⁸ = 122202221623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122202221839) 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, 61101110939 + 61101110940.

It is an arithmetic number, because the mean of its divisors is an integer number (61101110940).

Almost surely, 2^122202221879 is an apocalyptic number.

122202221879 is a deficient number, since it is larger than the sum of its proper divisors (1).

122202221879 is an equidigital number, since it uses as much as digits as its factorization.

122202221879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 38.

The spelling of 122202221879 in words is "one hundred twenty-two billion, two hundred two million, two hundred twenty-one thousand, eight hundred seventy-nine".