111401200 has 30 divisors (see below), whose sum is σ = 267642344. Its totient is φ = 44560320.

The previous prime is 111401131. The next prime is 111401203. The reversal of 111401200 is 2104111.

It is a super-2 number, since 2×111401200² = 24820454722880000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111401203) 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, 138852 + ... + 139651.

Almost surely, 2^111401200 is an apocalyptic number.

111401200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111401200 is an abundant number, since it is smaller than the sum of its proper divisors (156241144).

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

111401200 is a wasteful number, since it uses less digits than its factorization.

111401200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278521 (or 278510 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 111401200 is about 10554.6766885585. The cubic root of 111401200 is about 481.1678737690.

Adding to 111401200 its reverse (2104111), we get a palindrome (113505311).

The spelling of 111401200 in words is "one hundred eleven million, four hundred one thousand, two hundred".