111201331129 has 12 divisors (see below), whose sum is σ = 129384148608. Its totient is φ = 95295165000.

The previous prime is 111201331121. The next prime is 111201331133. The reversal of 111201331129 is 921133102111.

It is not a de Polignac number, because 111201331129 - 2³ = 111201331121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111201331121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6037 + ... + 471634.

It is an arithmetic number, because the mean of its divisors is an integer number (10782012384).

Almost surely, 2^111201331129 is an apocalyptic number.

It is an amenable number.

111201331129 is a deficient number, since it is larger than the sum of its proper divisors (18182817479).

111201331129 is an equidigital number, since it uses as much as digits as its factorization.

111201331129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482436 (or 482429 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 25.

The spelling of 111201331129 in words is "one hundred eleven billion, two hundred one million, three hundred thirty-one thousand, one hundred twenty-nine".