2211222202201 has 2 divisors, whose sum is σ = 2211222202202. Its totient is φ = 2211222202200.

The previous prime is 2211222202171. The next prime is 2211222202219. The reversal of 2211222202201 is 1022022221122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1203409000000 + 1007813202201 = 1097000^2 + 1003899^2 .

It is a cyclic number.

It is not a de Polignac number, because 2211222202201 - 2¹⁵ = 2211222169433 is a prime.

It is not a weakly prime, because it can be changed into another prime (2211222202001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105611101100 + 1105611101101.

It is an arithmetic number, because the mean of its divisors is an integer number (1105611101101).

Almost surely, 2^{2211222202201} is an apocalyptic number.

It is an amenable number.

2211222202201 is a deficient number, since it is larger than the sum of its proper divisors (1).

2211222202201 is an equidigital number, since it uses as much as digits as its factorization.

2211222202201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 2211222202201 its reverse (1022022221122), we get a palindrome (3233244423323).

The spelling of 2211222202201 in words is "two trillion, two hundred eleven billion, two hundred twenty-two million, two hundred two thousand, two hundred one".