111022111111201 has 4 divisors (see below), whose sum is σ = 111132142936900. Its totient is φ = 110912079285504.

The previous prime is 111022111111193. The next prime is 111022111111211. The reversal of 111022111111201 is 102111111220111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 58288720437025 + 52733390674176 = 7634705^2 + 7261776^2 .

It is a cyclic number.

It is not a de Polignac number, because 111022111111201 - 2³ = 111022111111193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111022111111211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55015911336 + ... + 55015913353.

It is an arithmetic number, because the mean of its divisors is an integer number (27783035734225).

Almost surely, 2^{111022111111201} is an apocalyptic number.

It is an amenable number.

111022111111201 is a deficient number, since it is larger than the sum of its proper divisors (110031825699).

111022111111201 is a wasteful number, since it uses less digits than its factorization.

111022111111201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110031825698.

The product of its (nonzero) digits is 8, while the sum is 16.

Adding to 111022111111201 its reverse (102111111220111), we get a palindrome (213133222331312).

The spelling of 111022111111201 in words is "one hundred eleven trillion, twenty-two billion, one hundred eleven million, one hundred eleven thousand, two hundred one".