11020222502021 has 2 divisors, whose sum is σ = 11020222502022. Its totient is φ = 11020222502020.

The previous prime is 11020222502017. The next prime is 11020222502039. The reversal of 11020222502021 is 12020522202011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10538918176900 + 481304325121 = 3246370^2 + 693761^2 .

It is a cyclic number.

It is not a de Polignac number, because 11020222502021 - 2² = 11020222502017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11020222501984 and 11020222502002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11020222502921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5510111251010 + 5510111251011.

It is an arithmetic number, because the mean of its divisors is an integer number (5510111251011).

Almost surely, 2^{11020222502021} is an apocalyptic number.

It is an amenable number.

11020222502021 is a deficient number, since it is larger than the sum of its proper divisors (1).

11020222502021 is an equidigital number, since it uses as much as digits as its factorization.

11020222502021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 11020222502021 its reverse (12020522202011), we get a palindrome (23040744704032).

The spelling of 11020222502021 in words is "eleven trillion, twenty billion, two hundred twenty-two million, five hundred two thousand, twenty-one".