111101110100201 has 16 divisors (see below), whose sum is σ = 125950059829440. Its totient is φ = 97153017433920.

The previous prime is 111101110100179. The next prime is 111101110100209. The reversal of 111101110100201 is 102001011101111.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111101110100201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111101110100209) 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, 4095290 + ... + 15458771.

It is an arithmetic number, because the mean of its divisors is an integer number (7871878739340).

Almost surely, 2^{111101110100201} is an apocalyptic number.

It is an amenable number.

111101110100201 is a deficient number, since it is larger than the sum of its proper divisors (14848949729239).

111101110100201 is a wasteful number, since it uses less digits than its factorization.

111101110100201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19577096.

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 111101110100201 its reverse (102001011101111), we get a palindrome (213102121201312).

The spelling of 111101110100201 in words is "one hundred eleven trillion, one hundred one billion, one hundred ten million, one hundred thousand, two hundred one".