2201221012117 has 2 divisors, whose sum is σ = 2201221012118. Its totient is φ = 2201221012116.

The previous prime is 2201221012091. The next prime is 2201221012127. The reversal of 2201221012117 is 7112101221022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2117589577636 + 83631434481 = 1455194^2 + 289191^2 .

It is a cyclic number.

It is not a de Polignac number, because 2201221012117 - 2²³ = 2201212623509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2201221012127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100610506058 + 1100610506059.

It is an arithmetic number, because the mean of its divisors is an integer number (1100610506059).

Almost surely, 2^{2201221012117} is an apocalyptic number.

It is an amenable number.

2201221012117 is a deficient number, since it is larger than the sum of its proper divisors (1).

2201221012117 is an equidigital number, since it uses as much as digits as its factorization.

2201221012117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 22.

Adding to 2201221012117 its reverse (7112101221022), we get a palindrome (9313322233139).

The spelling of 2201221012117 in words is "two trillion, two hundred one billion, two hundred twenty-one million, twelve thousand, one hundred seventeen".