10210020901 has 2 divisors, whose sum is σ = 10210020902. Its totient is φ = 10210020900.

The previous prime is 10210020853. The next prime is 10210020913. The reversal of 10210020901 is 10902001201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9954052900 + 255968001 = 99770^2 + 15999^2 .

It is a cyclic number.

It is not a de Polignac number, because 10210020901 - 2⁷ = 10210020773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10210020971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5105010450 + 5105010451.

It is an arithmetic number, because the mean of its divisors is an integer number (5105010451).

Almost surely, 2^10210020901 is an apocalyptic number.

It is an amenable number.

10210020901 is a deficient number, since it is larger than the sum of its proper divisors (1).

10210020901 is an equidigital number, since it uses as much as digits as its factorization.

10210020901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 16.

The spelling of 10210020901 in words is "ten billion, two hundred ten million, twenty thousand, nine hundred one".