10210020971 has 2 divisors, whose sum is σ = 10210020972. Its totient is φ = 10210020970.

The previous prime is 10210020929. The next prime is 10210020979. The reversal of 10210020971 is 17902001201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10210020971 is a prime.

It is not a weakly prime, because it can be changed into another prime (10210020979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5105010485 + 5105010486.

It is an arithmetic number, because the mean of its divisors is an integer number (5105010486).

Almost surely, 2^10210020971 is an apocalyptic number.

10210020971 is a deficient number, since it is larger than the sum of its proper divisors (1).

10210020971 is an equidigital number, since it uses as much as digits as its factorization.

10210020971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 23.

The spelling of 10210020971 in words is "ten billion, two hundred ten million, twenty thousand, nine hundred seventy-one".