22111202102201 has 8 divisors (see below), whose sum is σ = 22176578982600. Its totient is φ = 22045836771072.

The previous prime is 22111202102183. The next prime is 22111202102203. The reversal of 22111202102201 is 10220120211122.

It can be written as a sum of positive squares in 4 ways, for example, as 274497405625 + 21836704696576 = 523925^2 + 4672976^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22111202102201 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 22111202102201.

It is not an unprimeable number, because it can be changed into a prime (22111202102203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 954911 + ... + 6718203.

It is an arithmetic number, because the mean of its divisors is an integer number (2772072372825).

Almost surely, 2^{22111202102201} is an apocalyptic number.

It is an amenable number.

22111202102201 is a deficient number, since it is larger than the sum of its proper divisors (65376880399).

22111202102201 is a wasteful number, since it uses less digits than its factorization.

22111202102201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5774635.

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

Adding to 22111202102201 its reverse (10220120211122), we get a palindrome (32331322313323).

The spelling of 22111202102201 in words is "twenty-two trillion, one hundred eleven billion, two hundred two million, one hundred two thousand, two hundred one".