210210100099 has 4 divisors (see below), whose sum is σ = 210237207264. Its totient is φ = 210182992936.

The previous prime is 210210100073. The next prime is 210210100103. The reversal of 210210100099 is 990001012012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 210210100099 - 2¹⁹ = 210209575811 is a prime.

It is a super-3 number, since 3×210210100099³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210210100069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13541947 + ... + 13557460.

It is an arithmetic number, because the mean of its divisors is an integer number (52559301816).

Almost surely, 2^210210100099 is an apocalyptic number.

210210100099 is a deficient number, since it is larger than the sum of its proper divisors (27107165).

210210100099 is an equidigital number, since it uses as much as digits as its factorization.

210210100099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27107164.

The product of its (nonzero) digits is 324, while the sum is 25.

The spelling of 210210100099 in words is "two hundred ten billion, two hundred ten million, one hundred thousand, ninety-nine".