2201112102221 has 4 divisors (see below), whose sum is σ = 2211543913344. Its totient is φ = 2190680291100.

The previous prime is 2201112102191. The next prime is 2201112102223. The reversal of 2201112102221 is 1222012111022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2201112102221 - 2³⁴ = 2183932233037 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2201112102221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201112102223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5215905245 + ... + 5215905666.

It is an arithmetic number, because the mean of its divisors is an integer number (552885978336).

Almost surely, 2^{2201112102221} is an apocalyptic number.

It is an amenable number.

2201112102221 is a deficient number, since it is larger than the sum of its proper divisors (10431811123).

2201112102221 is a wasteful number, since it uses less digits than its factorization.

2201112102221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10431811122.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2201112102221 its reverse (1222012111022), we get a palindrome (3423124213243).

The spelling of 2201112102221 in words is "two trillion, two hundred one billion, one hundred twelve million, one hundred two thousand, two hundred twenty-one".