10210109999 has 2 divisors, whose sum is σ = 10210110000. Its totient is φ = 10210109998.

The previous prime is 10210109989. The next prime is 10210110037. The reversal of 10210109999 is 99990101201.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (99990101201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10210109999 - 2²⁸ = 9941674543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10210109939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5105054999 + 5105055000.

It is an arithmetic number, because the mean of its divisors is an integer number (5105055000).

Almost surely, 2^10210109999 is an apocalyptic number.

10210109999 is a deficient number, since it is larger than the sum of its proper divisors (1).

10210109999 is an equidigital number, since it uses as much as digits as its factorization.

10210109999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13122, while the sum is 41.

The spelling of 10210109999 in words is "ten billion, two hundred ten million, one hundred nine thousand, nine hundred ninety-nine".