22111110022201 has 2 divisors, whose sum is σ = 22111110022202. Its totient is φ = 22111110022200.

The previous prime is 22111110022159. The next prime is 22111110022229. The reversal of 22111110022201 is 10222001111122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11418857472400 + 10692252549801 = 3379180^2 + 3269901^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22111110022201 is a prime.

It is not a weakly prime, because it can be changed into another prime (22111110022271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11055555011100 + 11055555011101.

It is an arithmetic number, because the mean of its divisors is an integer number (11055555011101).

Almost surely, 2^{22111110022201} is an apocalyptic number.

It is an amenable number.

22111110022201 is a deficient number, since it is larger than the sum of its proper divisors (1).

22111110022201 is an equidigital number, since it uses as much as digits as its factorization.

22111110022201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 22111110022201 its reverse (10222001111122), we get a palindrome (32333111133323).

The spelling of 22111110022201 in words is "twenty-two trillion, one hundred eleven billion, one hundred ten million, twenty-two thousand, two hundred one".