11202201000121 has 2 divisors, whose sum is σ = 11202201000122. Its totient is φ = 11202201000120.

The previous prime is 11202201000079. The next prime is 11202201000149. The reversal of 11202201000121 is 12100010220211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11122631873721 + 79569126400 = 3335061^2 + 282080^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11202201000121 is a prime.

It is a super-2 number, since 2×11202201000121² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11202201000181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5601100500060 + 5601100500061.

It is an arithmetic number, because the mean of its divisors is an integer number (5601100500061).

Almost surely, 2^{11202201000121} is an apocalyptic number.

It is an amenable number.

11202201000121 is a deficient number, since it is larger than the sum of its proper divisors (1).

11202201000121 is an equidigital number, since it uses as much as digits as its factorization.

11202201000121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11202201000121 its reverse (12100010220211), we get a palindrome (23302211220332).

The spelling of 11202201000121 in words is "eleven trillion, two hundred two billion, two hundred one million, one hundred twenty-one", and thus it is an aban number.