122199421373 has 2 divisors, whose sum is σ = 122199421374. Its totient is φ = 122199421372.

The previous prime is 122199421363. The next prime is 122199421427. The reversal of 122199421373 is 373124991221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87617184004 + 34582237369 = 296002^2 + 185963^2 .

It is a cyclic number.

It is not a de Polignac number, because 122199421373 - 2⁸ = 122199421117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122199421363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61099710686 + 61099710687.

It is an arithmetic number, because the mean of its divisors is an integer number (61099710687).

Almost surely, 2^122199421373 is an apocalyptic number.

It is an amenable number.

122199421373 is a deficient number, since it is larger than the sum of its proper divisors (1).

122199421373 is an equidigital number, since it uses as much as digits as its factorization.

122199421373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296, while the sum is 44.

The spelling of 122199421373 in words is "one hundred twenty-two billion, one hundred ninety-nine million, four hundred twenty-one thousand, three hundred seventy-three".