122440111399 has 2 divisors, whose sum is σ = 122440111400. Its totient is φ = 122440111398.

The previous prime is 122440111379. The next prime is 122440111439. The reversal of 122440111399 is 993111044221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122440111399 - 2⁷ = 122440111271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122440111349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61220055699 + 61220055700.

It is an arithmetic number, because the mean of its divisors is an integer number (61220055700).

Almost surely, 2^122440111399 is an apocalyptic number.

122440111399 is a deficient number, since it is larger than the sum of its proper divisors (1).

122440111399 is an equidigital number, since it uses as much as digits as its factorization.

122440111399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 37.

The spelling of 122440111399 in words is "one hundred twenty-two billion, four hundred forty million, one hundred eleven thousand, three hundred ninety-nine".