111330442131 has 16 divisors (see below), whose sum is σ = 148590046080. Its totient is φ = 74145611520.

The previous prime is 111330442103. The next prime is 111330442159. The reversal of 111330442131 is 131244033111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (111330442103) and next prime (111330442159).

It is not a de Polignac number, because 111330442131 - 2⁵ = 111330442099 is a prime.

It is a super-2 number, since 2×111330442131² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111330444131) 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, 17921616 + ... + 17927826.

It is an arithmetic number, because the mean of its divisors is an integer number (9286877880).

Almost surely, 2^111330442131 is an apocalyptic number.

111330442131 is a deficient number, since it is larger than the sum of its proper divisors (37259603949).

111330442131 is a wasteful number, since it uses less digits than its factorization.

111330442131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11266.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 111330442131 its reverse (131244033111), we get a palindrome (242574475242).

The spelling of 111330442131 in words is "one hundred eleven billion, three hundred thirty million, four hundred forty-two thousand, one hundred thirty-one".