111132131130 has 48 divisors (see below), whose sum is σ = 291804391944. Its totient is φ = 29341814400.

The previous prime is 111132131119. The next prime is 111132131171. The reversal of 111132131130 is 31131231111.

111132131130 is a `hidden beast` number, since 1 + 1 + 1 + 1 + 321 + 311 + 30 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 93670887249 + 17461243881 = 306057^2 + 132141^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6103789 + ... + 6121968.

Almost surely, 2^111132131130 is an apocalyptic number.

111132131130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111132131130 is an abundant number, since it is smaller than the sum of its proper divisors (180672260814).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111132131130 is a wasteful number, since it uses less digits than its factorization.

111132131130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12225871 (or 12225868 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 111132131130 its reverse (31131231111), we get a palindrome (142263362241).

The spelling of 111132131130 in words is "one hundred eleven billion, one hundred thirty-two million, one hundred thirty-one thousand, one hundred thirty".