111230231100 has 36 divisors (see below), whose sum is σ = 321826136184. Its totient is φ = 29661394880.

The previous prime is 111230231087. The next prime is 111230231143. The reversal of 111230231100 is 1132032111.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 111230231100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 185383419 + ... + 185384018.

It is an arithmetic number, because the mean of its divisors is an integer number (8939614894).

Almost surely, 2^111230231100 is an apocalyptic number.

111230231100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111230231100 is an abundant number, since it is smaller than the sum of its proper divisors (210595905084).

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

111230231100 is a wasteful number, since it uses less digits than its factorization.

111230231100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370767454 (or 370767447 counting only the distinct ones).

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

Adding to 111230231100 its reverse (1132032111), we get a palindrome (112362263211).

The spelling of 111230231100 in words is "one hundred eleven billion, two hundred thirty million, two hundred thirty-one thousand, one hundred".