122311120311287 has 2 divisors, whose sum is σ = 122311120311288. Its totient is φ = 122311120311286.

The previous prime is 122311120311277. The next prime is 122311120311311. The reversal of 122311120311287 is 782113021113221.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122311120311287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122311120311277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61155560155643 + 61155560155644.

It is an arithmetic number, because the mean of its divisors is an integer number (61155560155644).

Almost surely, 2^{122311120311287} is an apocalyptic number.

122311120311287 is a deficient number, since it is larger than the sum of its proper divisors (1).

122311120311287 is an equidigital number, since it uses as much as digits as its factorization.

122311120311287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 35.

The spelling of 122311120311287 in words is "one hundred twenty-two trillion, three hundred eleven billion, one hundred twenty million, three hundred eleven thousand, two hundred eighty-seven".