111001320131 has 8 divisors (see below), whose sum is σ = 119795863824. Its totient is φ = 102243345120.

The previous prime is 111001320127. The next prime is 111001320139. The reversal of 111001320131 is 131023100111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111001320131 - 2² = 111001320127 is a prime.

It is a super-2 number, since 2×111001320131² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111001320139) 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 7 ways as a sum of consecutive naturals, for example, 9135860 + ... + 9148001.

It is an arithmetic number, because the mean of its divisors is an integer number (14974482978).

Almost surely, 2^111001320131 is an apocalyptic number.

111001320131 is a deficient number, since it is larger than the sum of its proper divisors (8794543693).

111001320131 is a wasteful number, since it uses less digits than its factorization.

111001320131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18284341.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 111001320131 its reverse (131023100111), we get a palindrome (242024420242).

The spelling of 111001320131 in words is "one hundred eleven billion, one million, three hundred twenty thousand, one hundred thirty-one".