11010331021 has 2 divisors, whose sum is σ = 11010331022. Its totient is φ = 11010331020.

The previous prime is 11010331001. The next prime is 11010331037. The reversal of 11010331021 is 12013301011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6148755396 + 4861575625 = 78414^2 + 69725^2 .

It is a cyclic number.

It is not a de Polignac number, because 11010331021 - 2²⁵ = 10976776589 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11010330992 and 11010331010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11010331001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505165510 + 5505165511.

It is an arithmetic number, because the mean of its divisors is an integer number (5505165511).

Almost surely, 2^11010331021 is an apocalyptic number.

It is an amenable number.

11010331021 is a deficient number, since it is larger than the sum of its proper divisors (1).

11010331021 is an equidigital number, since it uses as much as digits as its factorization.

11010331021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 11010331021 its reverse (12013301011), we get a palindrome (23023632032).

The spelling of 11010331021 in words is "eleven billion, ten million, three hundred thirty-one thousand, twenty-one".