210002200210123 has 4 divisors (see below), whose sum is σ = 210004542688768. Its totient is φ = 209999857731480.

The previous prime is 210002200210043. The next prime is 210002200210181. The reversal of 210002200210123 is 321012002200012.

It is a happy number.

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 210002200210123 - 2²⁵ = 210002166655691 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210002200210097 and 210002200210106.

It is not an unprimeable number, because it can be changed into a prime (210002200220123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1171104843 + ... + 1171284148.

It is an arithmetic number, because the mean of its divisors is an integer number (52501135672192).

Almost surely, 2^{210002200210123} is an apocalyptic number.

210002200210123 is a deficient number, since it is larger than the sum of its proper divisors (2342478645).

210002200210123 is an equidigital number, since it uses as much as digits as its factorization.

210002200210123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2342478644.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 210002200210123 its reverse (321012002200012), we get a palindrome (531014202410135).

The spelling of 210002200210123 in words is "two hundred ten trillion, two billion, two hundred million, two hundred ten thousand, one hundred twenty-three".