111101201 has 4 divisors (see below), whose sum is σ = 115931712. Its totient is φ = 106270692.

The previous prime is 111101173. The next prime is 111101311. The reversal of 111101201 is 102101111.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 111101201 - 2²⁶ = 43992337 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (111121201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2415221 + ... + 2415266.

It is an arithmetic number, because the mean of its divisors is an integer number (28982928).

Almost surely, 2^111101201 is an apocalyptic number.

It is an amenable number.

111101201 is a deficient number, since it is larger than the sum of its proper divisors (4830511).

111101201 is an equidigital number, since it uses as much as digits as its factorization.

111101201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4830510.

The product of its (nonzero) digits is 2, while the sum is 8.

The square root of 111101201 is about 10540.4554455678. The cubic root of 111101201 is about 480.7355634907.

Adding to 111101201 its reverse (102101111), we get a palindrome (213202312).

The spelling of 111101201 in words is "one hundred eleven million, one hundred one thousand, two hundred one".