109801199 has 4 divisors (see below), whose sum is σ = 109824864. Its totient is φ = 109777536.

The previous prime is 109801189. The next prime is 109801217. The reversal of 109801199 is 991108901.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109801199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109801189) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2327 + ... + 15000.

It is an arithmetic number, because the mean of its divisors is an integer number (27456216).

Almost surely, 2^109801199 is an apocalyptic number.

109801199 is a deficient number, since it is larger than the sum of its proper divisors (23665).

109801199 is an equidigital number, since it uses as much as digits as its factorization.

109801199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23664.

The product of its (nonzero) digits is 5832, while the sum is 38.

The square root of 109801199 is about 10478.6067299045. The cubic root of 109801199 is about 478.8531634422.

The spelling of 109801199 in words is "one hundred nine million, eight hundred one thousand, one hundred ninety-nine".