111134144201 has 16 divisors (see below), whose sum is σ = 118016620800. Its totient is φ = 104492239488.

The previous prime is 111134144189. The next prime is 111134144249. The reversal of 111134144201 is 102441431111.

It is a de Polignac number, because none of the positive numbers 2^k-111134144201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111134144281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165011 + ... + 499496.

It is an arithmetic number, because the mean of its divisors is an integer number (7376038800).

Almost surely, 2^111134144201 is an apocalyptic number.

It is an amenable number.

111134144201 is a deficient number, since it is larger than the sum of its proper divisors (6882476599).

111134144201 is an equidigital number, since it uses as much as digits as its factorization.

111134144201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664688.

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 111134144201 its reverse (102441431111), we get a palindrome (213575575312).

The spelling of 111134144201 in words is "one hundred eleven billion, one hundred thirty-four million, one hundred forty-four thousand, two hundred one".