111110918201 has 32 divisors (see below), whose sum is σ = 118888197120. Its totient is φ = 103618944000.

The previous prime is 111110918179. The next prime is 111110918213. The reversal of 111110918201 is 102819011111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111110918201 is a prime.

It is a super-2 number, since 2×111110918201² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111110918221) 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 31 ways as a sum of consecutive naturals, for example, 108825071 + ... + 108826091.

It is an arithmetic number, because the mean of its divisors is an integer number (3715256160).

Almost surely, 2^111110918201 is an apocalyptic number.

It is an amenable number.

111110918201 is a deficient number, since it is larger than the sum of its proper divisors (7777278919).

111110918201 is a wasteful number, since it uses less digits than its factorization.

111110918201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1817.

The product of its (nonzero) digits is 144, while the sum is 26.

Adding to 111110918201 its reverse (102819011111), we get a palindrome (213929929312).

The spelling of 111110918201 in words is "one hundred eleven billion, one hundred ten million, nine hundred eighteen thousand, two hundred one".