109012100 has 36 divisors (see below), whose sum is σ = 239568000. Its totient is φ = 43049760.

The previous prime is 109012093. The next prime is 109012147. The reversal of 109012100 is 1210901.

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, 1001 + ... + 14799.

Almost surely, 2^109012100 is an apocalyptic number.

109012100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109012100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119784000).

109012100 is an abundant number, since it is smaller than the sum of its proper divisors (130555900).

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

109012100 is a wasteful number, since it uses less digits than its factorization.

109012100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13892 (or 13885 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 109012100 is about 10440.8859777320. The cubic root of 109012100 is about 477.7032932782.

The spelling of 109012100 in words is "one hundred nine million, twelve thousand, one hundred".