111130132020 has 48 divisors (see below), whose sum is σ = 311184695808. Its totient is φ = 29632766080.

The previous prime is 111130131961. The next prime is 111130132021. The reversal of 111130132020 is 20231031111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111130132021) 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, 1027357 + ... + 1130363.

It is an arithmetic number, because the mean of its divisors is an integer number (6483014496).

Almost surely, 2^111130132020 is an apocalyptic number.

111130132020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111130132020 is an abundant number, since it is smaller than the sum of its proper divisors (200054563788).

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

111130132020 is a wasteful number, since it uses less digits than its factorization.

111130132020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121000 (or 120998 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 111130132020 its reverse (20231031111), we get a palindrome (131361163131).

The spelling of 111130132020 in words is "one hundred eleven billion, one hundred thirty million, one hundred thirty-two thousand, twenty".