122202021191 has 2 divisors, whose sum is σ = 122202021192. Its totient is φ = 122202021190.

The previous prime is 122202021181. The next prime is 122202021239. The reversal of 122202021191 is 191120202221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122202021191 - 2¹⁰ = 122202020167 is a prime.

It is a super-2 number, since 2×122202021191² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122202021181) 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, 61101010595 + 61101010596.

It is an arithmetic number, because the mean of its divisors is an integer number (61101010596).

Almost surely, 2^122202021191 is an apocalyptic number.

122202021191 is a deficient number, since it is larger than the sum of its proper divisors (1).

122202021191 is an equidigital number, since it uses as much as digits as its factorization.

122202021191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 122202021191 in words is "one hundred twenty-two billion, two hundred two million, twenty-one thousand, one hundred ninety-one".