118225821900 has 36 divisors (see below), whose sum is σ = 342066712232. Its totient is φ = 31526885760.

The previous prime is 118225821899. The next prime is 118225821937. The reversal of 118225821900 is 9128522811.

It is a super-2 number, since 2×118225821900² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 197042737 + ... + 197043336.

Almost surely, 2^118225821900 is an apocalyptic number.

118225821900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118225821900 is an abundant number, since it is smaller than the sum of its proper divisors (223840890332).

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

118225821900 is a wasteful number, since it uses less digits than its factorization.

118225821900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394086090 (or 394086083 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 39.

The spelling of 118225821900 in words is "one hundred eighteen billion, two hundred twenty-five million, eight hundred twenty-one thousand, nine hundred".