222201112901 has 2 divisors, whose sum is σ = 222201112902. Its totient is φ = 222201112900.

The previous prime is 222201112867. The next prime is 222201112921. The reversal of 222201112901 is 109211102222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 163176410401 + 59024702500 = 403951^2 + 242950^2 .

It is a cyclic number.

It is not a de Polignac number, because 222201112901 - 2¹⁸ = 222200850757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222201112921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111100556450 + 111100556451.

It is an arithmetic number, because the mean of its divisors is an integer number (111100556451).

Almost surely, 2^222201112901 is an apocalyptic number.

It is an amenable number.

222201112901 is a deficient number, since it is larger than the sum of its proper divisors (1).

222201112901 is an equidigital number, since it uses as much as digits as its factorization.

222201112901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 222201112901 in words is "two hundred twenty-two billion, two hundred one million, one hundred twelve thousand, nine hundred one".