10221319973 has 2 divisors, whose sum is σ = 10221319974. Its totient is φ = 10221319972.

The previous prime is 10221319909. The next prime is 10221320027. The reversal of 10221319973 is 37991312201.

10221319973 is digitally balanced in base 3, 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., 9017021764 + 1204298209 = 94958^2 + 34703^2 .

It is a cyclic number.

It is not a de Polignac number, because 10221319973 - 2⁶ = 10221319909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10221319573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110659986 + 5110659987.

It is an arithmetic number, because the mean of its divisors is an integer number (5110659987).

Almost surely, 2^10221319973 is an apocalyptic number.

It is an amenable number.

10221319973 is a deficient number, since it is larger than the sum of its proper divisors (1).

10221319973 is an equidigital number, since it uses as much as digits as its factorization.

10221319973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 38.

The spelling of 10221319973 in words is "ten billion, two hundred twenty-one million, three hundred nineteen thousand, nine hundred seventy-three".