10330011212821 has 2 divisors, whose sum is σ = 10330011212822. Its totient is φ = 10330011212820.

The previous prime is 10330011212779. The next prime is 10330011212869. The reversal of 10330011212821 is 12821211003301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6855552492721 + 3474458720100 = 2618311^2 + 1863990^2 .

It is a cyclic number.

It is not a de Polignac number, because 10330011212821 - 2²³ = 10330002824213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10330011212881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5165005606410 + 5165005606411.

It is an arithmetic number, because the mean of its divisors is an integer number (5165005606411).

Almost surely, 2^{10330011212821} is an apocalyptic number.

It is an amenable number.

10330011212821 is a deficient number, since it is larger than the sum of its proper divisors (1).

10330011212821 is an equidigital number, since it uses as much as digits as its factorization.

10330011212821 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 25.

The spelling of 10330011212821 in words is "ten trillion, three hundred thirty billion, eleven million, two hundred twelve thousand, eight hundred twenty-one".