111040201 has 4 divisors (see below), whose sum is σ = 111127504. Its totient is φ = 110952900.

The previous prime is 111040187. The next prime is 111040207. The reversal of 111040201 is 102040111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 102040111 = 491 ⋅207821.

It is a cyclic number.

It is not a de Polignac number, because 111040201 - 2⁵ = 111040169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111040207) 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, 41715 + ... + 44296.

It is an arithmetic number, because the mean of its divisors is an integer number (27781876).

Almost surely, 2^111040201 is an apocalyptic number.

It is an amenable number.

111040201 is a deficient number, since it is larger than the sum of its proper divisors (87303).

111040201 is an equidigital number, since it uses as much as digits as its factorization.

111040201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87302.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 111040201 is about 10537.5614351709. The cubic root of 111040201 is about 480.6475649282.

Adding to 111040201 its reverse (102040111), we get a palindrome (213080312).

The spelling of 111040201 in words is "one hundred eleven million, forty thousand, two hundred one".