122311331011 has 4 divisors (see below), whose sum is σ = 127629214992. Its totient is φ = 116993447032.

The previous prime is 122311330993. The next prime is 122311331059. The reversal of 122311331011 is 110133113221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110133113221 = 23 ⋅4788396227.

It is a cyclic number.

It is not a de Polignac number, because 122311331011 - 2²⁷ = 122177113283 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122311331011.

It is not an unprimeable number, because it can be changed into a prime (122311337011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2658941956 + ... + 2658942001.

It is an arithmetic number, because the mean of its divisors is an integer number (31907303748).

Almost surely, 2^122311331011 is an apocalyptic number.

122311331011 is a deficient number, since it is larger than the sum of its proper divisors (5317883981).

122311331011 is an equidigital number, since it uses as much as digits as its factorization.

122311331011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5317883980.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 122311331011 its reverse (110133113221), we get a palindrome (232444444232).

The spelling of 122311331011 in words is "one hundred twenty-two billion, three hundred eleven million, three hundred thirty-one thousand, eleven".