111123311201 has 16 divisors (see below), whose sum is σ = 127709184000. Its totient is φ = 94715766288.

The previous prime is 111123311141. The next prime is 111123311203. The reversal of 111123311201 is 102113321111.

It is a cyclic number.

It is not a de Polignac number, because 111123311201 - 2²⁶ = 111056202337 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111123311201.

It is not an unprimeable number, because it can be changed into a prime (111123311203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2517560 + ... + 2561318.

It is an arithmetic number, because the mean of its divisors is an integer number (7981824000).

Almost surely, 2^111123311201 is an apocalyptic number.

It is an amenable number.

111123311201 is a deficient number, since it is larger than the sum of its proper divisors (16585872799).

111123311201 is a wasteful number, since it uses less digits than its factorization.

111123311201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45788.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 111123311201 its reverse (102113321111), we get a palindrome (213236632312).

The spelling of 111123311201 in words is "one hundred eleven billion, one hundred twenty-three million, three hundred eleven thousand, two hundred one".