210099109023 has 24 divisors (see below), whose sum is σ = 328164827328. Its totient is φ = 129022060032.

The previous prime is 210099109009. The next prime is 210099109037. The reversal of 210099109023 is 320901990012.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (210099109009) and next prime (210099109037).

It is not a de Polignac number, because 210099109023 - 2⁹ = 210099108511 is a prime.

It is a super-2 number, since 2×210099109023² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210099109123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14601286 + ... + 14615667.

It is an arithmetic number, because the mean of its divisors is an integer number (13673534472).

Almost surely, 2^210099109023 is an apocalyptic number.

210099109023 is a deficient number, since it is larger than the sum of its proper divisors (118065718305).

210099109023 is a wasteful number, since it uses less digits than its factorization.

210099109023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29217023 (or 29217020 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 36.

The spelling of 210099109023 in words is "two hundred ten billion, ninety-nine million, one hundred nine thousand, twenty-three".