111123201 has 8 divisors (see below), whose sum is σ = 169330624. Its totient is φ = 63498960.

The previous prime is 111123197. The next prime is 111123253. The reversal of 111123201 is 102321111.

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

It is not a de Polignac number, because 111123201 - 2² = 111123197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111121201) 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, 2645770 + ... + 2645811.

It is an arithmetic number, because the mean of its divisors is an integer number (21166328).

Almost surely, 2^111123201 is an apocalyptic number.

It is an amenable number.

111123201 is a deficient number, since it is larger than the sum of its proper divisors (58207423).

111123201 is an equidigital number, since it uses as much as digits as its factorization.

111123201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5291591.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 111123201 is about 10541.4989920789. The cubic root of 111123201 is about 480.7672927738.

Adding to 111123201 its reverse (102321111), we get a palindrome (213444312).

The spelling of 111123201 in words is "one hundred eleven million, one hundred twenty-three thousand, two hundred one".