2212022221001 has 2 divisors, whose sum is σ = 2212022221002. Its totient is φ = 2212022221000.

The previous prime is 2212022220911. The next prime is 2212022221067. The reversal of 2212022221001 is 1001222202122.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1239926790400 + 972095430601 = 1113520^2 + 985949^2 .

It is a cyclic number.

It is not a de Polignac number, because 2212022221001 - 2²⁶ = 2211955112137 is a prime.

It is not a weakly prime, because it can be changed into another prime (2212022221081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106011110500 + 1106011110501.

It is an arithmetic number, because the mean of its divisors is an integer number (1106011110501).

Almost surely, 2^{2212022221001} is an apocalyptic number.

It is an amenable number.

2212022221001 is a deficient number, since it is larger than the sum of its proper divisors (1).

2212022221001 is an equidigital number, since it uses as much as digits as its factorization.

2212022221001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2212022221001 its reverse (1001222202122), we get a palindrome (3213244423123).

The spelling of 2212022221001 in words is "two trillion, two hundred twelve billion, twenty-two million, two hundred twenty-one thousand, one".