11298323021 has 2 divisors, whose sum is σ = 11298323022. Its totient is φ = 11298323020.

The previous prime is 11298323011. The next prime is 11298323027. The reversal of 11298323021 is 12032389211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10745602921 + 552720100 = 103661^2 + 23510^2 .

It is a cyclic number.

It is not a de Polignac number, because 11298323021 - 2⁶ = 11298322957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11298323027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5649161510 + 5649161511.

It is an arithmetic number, because the mean of its divisors is an integer number (5649161511).

Almost surely, 2^11298323021 is an apocalyptic number.

It is an amenable number.

11298323021 is a deficient number, since it is larger than the sum of its proper divisors (1).

11298323021 is an equidigital number, since it uses as much as digits as its factorization.

11298323021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 32.

The spelling of 11298323021 in words is "eleven billion, two hundred ninety-eight million, three hundred twenty-three thousand, twenty-one".