11202110006221 has 2 divisors, whose sum is σ = 11202110006222. Its totient is φ = 11202110006220.

The previous prime is 11202110006179. The next prime is 11202110006231. The reversal of 11202110006221 is 12260001120211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10412793256996 + 789316749225 = 3226886^2 + 888435^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11202110006221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11202110006231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5601055003110 + 5601055003111.

It is an arithmetic number, because the mean of its divisors is an integer number (5601055003111).

Almost surely, 2^{11202110006221} is an apocalyptic number.

It is an amenable number.

11202110006221 is a deficient number, since it is larger than the sum of its proper divisors (1).

11202110006221 is an equidigital number, since it uses as much as digits as its factorization.

11202110006221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 11202110006221 its reverse (12260001120211), we get a palindrome (23462111126432).

The spelling of 11202110006221 in words is "eleven trillion, two hundred two billion, one hundred ten million, six thousand, two hundred twenty-one".