202110010997 has 2 divisors, whose sum is σ = 202110010998. Its totient is φ = 202110010996.

The previous prime is 202110010979. The next prime is 202110011041. The reversal of 202110010997 is 799010011202.

202110010997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (202110010979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 145100808241 + 57009202756 = 380921^2 + 238766^2 .

It is a cyclic number.

It is not a de Polignac number, because 202110010997 - 2²⁴ = 202093233781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202110610997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101055005498 + 101055005499.

It is an arithmetic number, because the mean of its divisors is an integer number (101055005499).

Almost surely, 2^202110010997 is an apocalyptic number.

It is an amenable number.

202110010997 is a deficient number, since it is larger than the sum of its proper divisors (1).

202110010997 is an equidigital number, since it uses as much as digits as its factorization.

202110010997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 32.

The spelling of 202110010997 in words is "two hundred two billion, one hundred ten million, ten thousand, nine hundred ninety-seven".