111323440100 has 18 divisors (see below), whose sum is σ = 241571865234. Its totient is φ = 44529376000.

The previous prime is 111323440091. The next prime is 111323440139. The reversal of 111323440100 is 1044323111.

It can be written as a sum of positive squares in 3 ways, for example, as 4353888256 + 106969551844 = 65984^2 + 327062^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 556617101 + ... + 556617300.

Almost surely, 2^111323440100 is an apocalyptic number.

111323440100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111323440100 is an abundant number, since it is smaller than the sum of its proper divisors (130248425134).

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

111323440100 is a wasteful number, since it uses less digits than its factorization.

111323440100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113234415 (or 1113234408 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 111323440100 its reverse (1044323111), we get a palindrome (112367763211).

The spelling of 111323440100 in words is "one hundred eleven billion, three hundred twenty-three million, four hundred forty thousand, one hundred".