11202210010021 has 2 divisors, whose sum is σ = 11202210010022. Its totient is φ = 11202210010020.

The previous prime is 11202210010009. The next prime is 11202210010039. The reversal of 11202210010021 is 12001001220211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11188429597921 + 13780412100 = 3344911^2 + 117390^2 .

It is a cyclic number.

It is not a de Polignac number, because 11202210010021 - 2⁹ = 11202210009509 is a prime.

It is a super-2 number, since 2×11202210010021² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11202210009983 and 11202210010010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11209210010021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5601105005010 + 5601105005011.

It is an arithmetic number, because the mean of its divisors is an integer number (5601105005011).

Almost surely, 2^{11202210010021} is an apocalyptic number.

It is an amenable number.

11202210010021 is a deficient number, since it is larger than the sum of its proper divisors (1).

11202210010021 is an equidigital number, since it uses as much as digits as its factorization.

11202210010021 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 11202210010021 its reverse (12001001220211), we get a palindrome (23203211230232).

The spelling of 11202210010021 in words is "eleven trillion, two hundred two billion, two hundred ten million, ten thousand, twenty-one".