111400423100 has 36 divisors (see below), whose sum is σ = 250074749400. Its totient is φ = 43023610560.

The previous prime is 111400423091. The next prime is 111400423103. The reversal of 111400423100 is 1324004111.

It is a happy number.

It is a super-2 number, since 2×111400423100² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111400423103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19204070 + ... + 19209869.

Almost surely, 2^111400423100 is an apocalyptic number.

111400423100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111400423100 is an abundant number, since it is smaller than the sum of its proper divisors (138674326300).

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

111400423100 is a wasteful number, since it uses less digits than its factorization.

111400423100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38413982 (or 38413975 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 111400423100 its reverse (1324004111), we get a palindrome (112724427211).

The spelling of 111400423100 in words is "one hundred eleven billion, four hundred million, four hundred twenty-three thousand, one hundred".