111110002131 has 16 divisors (see below), whose sum is σ = 157487869440. Its totient is φ = 69479935200.

The previous prime is 111110002123. The next prime is 111110002139. The reversal of 111110002131 is 131200011111.

It is an interprime number because it is at equal distance from previous prime (111110002123) and next prime (111110002139).

It is not a de Polignac number, because 111110002131 - 2³ = 111110002123 is a prime.

It is a super-2 number, since 2×111110002131² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111110002139) 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, 9644235 + ... + 9655748.

It is an arithmetic number, because the mean of its divisors is an integer number (9842991840).

Almost surely, 2^111110002131 is an apocalyptic number.

111110002131 is a deficient number, since it is larger than the sum of its proper divisors (46377867309).

111110002131 is a wasteful number, since it uses less digits than its factorization.

111110002131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19300106.

The product of its (nonzero) digits is 6, while the sum is 12.

Adding to 111110002131 its reverse (131200011111), we get a palindrome (242310013242).

The spelling of 111110002131 in words is "one hundred eleven billion, one hundred ten million, two thousand, one hundred thirty-one".