122311144011 has 32 divisors (see below), whose sum is σ = 186904903680. Its totient is φ = 69695117856.

The previous prime is 122311143961. The next prime is 122311144031. The reversal of 122311144011 is 110441113221.

It is not a de Polignac number, because 122311144011 - 2²¹ = 122309046859 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (122311144031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11439510 + ... + 11450196.

It is an arithmetic number, because the mean of its divisors is an integer number (5840778240).

Almost surely, 2^122311144011 is an apocalyptic number.

122311144011 is a deficient number, since it is larger than the sum of its proper divisors (64593759669).

122311144011 is a wasteful number, since it uses less digits than its factorization.

122311144011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12183.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 122311144011 its reverse (110441113221), we get a palindrome (232752257232).

The spelling of 122311144011 in words is "one hundred twenty-two billion, three hundred eleven million, one hundred forty-four thousand, eleven".