122311120311311 has 2 divisors, whose sum is σ = 122311120311312. Its totient is φ = 122311120311310.

The previous prime is 122311120311287. The next prime is 122311120311349. The reversal of 122311120311311 is 113113021113221.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122311120311311 is a prime.

It is a super-3 number, since 3×122311120311311³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122391120311311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61155560155655 + 61155560155656.

It is an arithmetic number, because the mean of its divisors is an integer number (61155560155656).

Almost surely, 2^{122311120311311} is an apocalyptic number.

122311120311311 is a deficient number, since it is larger than the sum of its proper divisors (1).

122311120311311 is an equidigital number, since it uses as much as digits as its factorization.

122311120311311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 23.

Adding to 122311120311311 its reverse (113113021113221), we get a palindrome (235424141424532).

The spelling of 122311120311311 in words is "one hundred twenty-two trillion, three hundred eleven billion, one hundred twenty million, three hundred eleven thousand, three hundred eleven".