2011111100201 has 32 divisors (see below), whose sum is σ = 2461080298752. Its totient is φ = 1604156037120.

The previous prime is 2011111100147. The next prime is 2011111100213. The reversal of 2011111100201 is 1020011111102.

It is not a de Polignac number, because 2011111100201 - 2⁶ = 2011111100137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011111100261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6482315 + ... + 6785471.

It is an arithmetic number, because the mean of its divisors is an integer number (76908759336).

Almost surely, 2^{2011111100201} is an apocalyptic number.

It is an amenable number.

2011111100201 is a deficient number, since it is larger than the sum of its proper divisors (449969198551).

2011111100201 is a wasteful number, since it uses less digits than its factorization.

2011111100201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303809.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 2011111100201 its reverse (1020011111102), we get a palindrome (3031122211303).

The spelling of 2011111100201 in words is "two trillion, eleven billion, one hundred eleven million, one hundred thousand, two hundred one".