11202202121021 has 2 divisors, whose sum is σ = 11202202121022. Its totient is φ = 11202202121020.

The previous prime is 11202202120877. The next prime is 11202202121051. The reversal of 11202202121021 is 12012120220211.

11202202121021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6979033269796 + 4223168851225 = 2641786^2 + 2055035^2 .

It is a cyclic number.

It is not a de Polignac number, because 11202202121021 - 2¹⁸ = 11202201858877 is a prime.

It is a super-2 number, since 2×11202202121021² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11202202121051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5601101060510 + 5601101060511.

It is an arithmetic number, because the mean of its divisors is an integer number (5601101060511).

Almost surely, 2^{11202202121021} is an apocalyptic number.

It is an amenable number.

11202202121021 is a deficient number, since it is larger than the sum of its proper divisors (1).

11202202121021 is an equidigital number, since it uses as much as digits as its factorization.

11202202121021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 11202202121021 its reverse (12012120220211), we get a palindrome (23214322341232).

The spelling of 11202202121021 in words is "eleven trillion, two hundred two billion, two hundred two million, one hundred twenty-one thousand, twenty-one".