111990201 has 8 divisors (see below), whose sum is σ = 151851360. Its totient is φ = 73394592.

The previous prime is 111990181. The next prime is 111990227. The reversal of 111990201 is 102099111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 111990201 - 2¹⁰ = 111989177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111990001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316180 + ... + 316533.

It is an arithmetic number, because the mean of its divisors is an integer number (18981420).

Almost surely, 2^111990201 is an apocalyptic number.

It is an amenable number.

111990201 is a deficient number, since it is larger than the sum of its proper divisors (39861159).

111990201 is an equidigital number, since it uses as much as digits as its factorization.

111990201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632775.

The product of its (nonzero) digits is 162, while the sum is 24.

The square root of 111990201 is about 10582.5422748978. The cubic root of 111990201 is about 482.0143946965.

The spelling of 111990201 in words is "one hundred eleven million, nine hundred ninety thousand, two hundred one".