201111221203113 has 16 divisors (see below), whose sum is σ = 288775403199360. Its totient is φ = 123760615933824.

The previous prime is 201111221203043. The next prime is 201111221203129. The reversal of 201111221203113 is 311302122111102.

It is not a de Polignac number, because 201111221203113 - 2⁴⁵ = 165926849114281 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201111221203113.

It is not an unprimeable number, because it can be changed into a prime (201111221203213) 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, 42398620 + ... + 46902722.

It is an arithmetic number, because the mean of its divisors is an integer number (18048462699960).

Almost surely, 2^{201111221203113} is an apocalyptic number.

It is an amenable number.

201111221203113 is a deficient number, since it is larger than the sum of its proper divisors (87664181996247).

201111221203113 is a wasteful number, since it uses less digits than its factorization.

201111221203113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5649008.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 201111221203113 its reverse (311302122111102), we get a palindrome (512413343314215).

The spelling of 201111221203113 in words is "two hundred one trillion, one hundred eleven billion, two hundred twenty-one million, two hundred three thousand, one hundred thirteen".