111230320100 has 18 divisors (see below), whose sum is σ = 241369794834. Its totient is φ = 44492128000.

The previous prime is 111230320099. The next prime is 111230320109. The reversal of 111230320100 is 1023032111.

It can be written as a sum of positive squares in 3 ways, for example, as 1547478244 + 109682841856 = 39338^2 + 331184^2 .

It is not an unprimeable number, because it can be changed into a prime (111230320109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 556151501 + ... + 556151700.

Almost surely, 2^111230320100 is an apocalyptic number.

111230320100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111230320100 is an abundant number, since it is smaller than the sum of its proper divisors (130139474734).

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

111230320100 is a wasteful number, since it uses less digits than its factorization.

111230320100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112303215 (or 1112303208 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 111230320100 its reverse (1023032111), we get a palindrome (112253352211).

The spelling of 111230320100 in words is "one hundred eleven billion, two hundred thirty million, three hundred twenty thousand, one hundred".