2111110022201 has 4 divisors (see below), whose sum is σ = 2129792411892. Its totient is φ = 2092427632512.

The previous prime is 2111110022171. The next prime is 2111110022221. The reversal of 2111110022201 is 1022200111112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 365633064976 + 1745476957225 = 604676^2 + 1321165^2 .

It is a cyclic number.

It is not a de Polignac number, because 2111110022201 - 2⁶ = 2111110022137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2111110022221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9341194676 + ... + 9341194901.

It is an arithmetic number, because the mean of its divisors is an integer number (532448102973).

Almost surely, 2^{2111110022201} is an apocalyptic number.

It is an amenable number.

2111110022201 is a deficient number, since it is larger than the sum of its proper divisors (18682389691).

2111110022201 is a wasteful number, since it uses less digits than its factorization.

2111110022201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18682389690.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2111110022201 its reverse (1022200111112), we get a palindrome (3133310133313).

The spelling of 2111110022201 in words is "two trillion, one hundred eleven billion, one hundred ten million, twenty-two thousand, two hundred one".