118100100 has 36 divisors (see below), whose sum is σ = 341703824. Its totient is φ = 31493280.

The previous prime is 118100069. The next prime is 118100107. The reversal of 118100100 is 1001811.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (118100107) 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, 196534 + ... + 197133.

Almost surely, 2^118100100 is an apocalyptic number.

118100100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118100100 is an abundant number, since it is smaller than the sum of its proper divisors (223603724).

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

118100100 is a wasteful number, since it uses less digits than its factorization.

118100100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393684 (or 393677 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

The square root of 118100100 is about 10867.3869904407. The cubic root of 118100100 is about 490.6254681051.

Adding to 118100100 its reverse (1001811), we get a palindrome (119101911).

The spelling of 118100100 in words is "one hundred eighteen million, one hundred thousand, one hundred".