39022010210021 has 2 divisors, whose sum is σ = 39022010210022. Its totient is φ = 39022010210020.

The previous prime is 39022010210011. The next prime is 39022010210063. The reversal of 39022010210021 is 12001201022093.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22165122760225 + 16856887449796 = 4707985^2 + 4105714^2 .

It is an emirp because it is prime and its reverse (12001201022093) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 39022010210021 - 2⁶ = 39022010209957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39022010210011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19511005105010 + 19511005105011.

It is an arithmetic number, because the mean of its divisors is an integer number (19511005105011).

Almost surely, 2^{39022010210021} is an apocalyptic number.

It is an amenable number.

39022010210021 is a deficient number, since it is larger than the sum of its proper divisors (1).

39022010210021 is an equidigital number, since it uses as much as digits as its factorization.

39022010210021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

The spelling of 39022010210021 in words is "thirty-nine trillion, twenty-two billion, ten million, two hundred ten thousand, twenty-one".