210110997806819 has 2 divisors, whose sum is σ = 210110997806820. Its totient is φ = 210110997806818.

The previous prime is 210110997806771. The next prime is 210110997806833. The reversal of 210110997806819 is 918608799011012.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 210110997806819 - 2¹² = 210110997802723 is a prime.

It is a super-2 number, since 2×210110997806819² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (210110997806219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105055498903409 + 105055498903410.

It is an arithmetic number, because the mean of its divisors is an integer number (105055498903410).

Almost surely, 2^{210110997806819} is an apocalyptic number.

210110997806819 is a deficient number, since it is larger than the sum of its proper divisors (1).

210110997806819 is an equidigital number, since it uses as much as digits as its factorization.

210110997806819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3919104, while the sum is 62.

The spelling of 210110997806819 in words is "two hundred ten trillion, one hundred ten billion, nine hundred ninety-seven million, eight hundred six thousand, eight hundred nineteen".