111020100132 has 48 divisors (see below), whose sum is σ = 260359513344. Its totient is φ = 36819300000.

The previous prime is 111020100131. The next prime is 111020100203. The reversal of 111020100132 is 231001020111.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (111020100131) 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, 11265007 + ... + 11274857.

It is an arithmetic number, because the mean of its divisors is an integer number (5424156528).

Almost surely, 2^111020100132 is an apocalyptic number.

111020100132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111020100132 is an abundant number, since it is smaller than the sum of its proper divisors (149339413212).

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

111020100132 is a wasteful number, since it uses less digits than its factorization.

111020100132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14520 (or 14518 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 111020100132 its reverse (231001020111), we get a palindrome (342021120243).

The spelling of 111020100132 in words is "one hundred eleven billion, twenty million, one hundred thousand, one hundred thirty-two".