111132123400 has 48 divisors (see below), whose sum is σ = 259064110800. Its totient is φ = 44335529280.

The previous prime is 111132123379. The next prime is 111132123457. The reversal of 111132123400 is 4321231111.

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, 657262 + ... + 808861.

It is an arithmetic number, because the mean of its divisors is an integer number (5397168975).

Almost surely, 2^111132123400 is an apocalyptic number.

111132123400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111132123400 is an abundant number, since it is smaller than the sum of its proper divisors (147931987400).

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

111132123400 is a wasteful number, since it uses less digits than its factorization.

111132123400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1466518 (or 1466509 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 111132123400 its reverse (4321231111), we get a palindrome (115453354511).

The spelling of 111132123400 in words is "one hundred eleven billion, one hundred thirty-two million, one hundred twenty-three thousand, four hundred".