210002010112123 has 2 divisors, whose sum is σ = 210002010112124. Its totient is φ = 210002010112122.

The previous prime is 210002010112121. The next prime is 210002010112133. The reversal of 210002010112123 is 321211010200012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 210002010112123 - 2¹ = 210002010112121 is a prime.

It is a super-2 number, since 2×210002010112123² (a number of 29 digits) contains 22 as substring.

Together with 210002010112121, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 210002010112097 and 210002010112106.

It is not a weakly prime, because it can be changed into another prime (210002010112121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105001005056061 + 105001005056062.

It is an arithmetic number, because the mean of its divisors is an integer number (105001005056062).

Almost surely, 2^{210002010112123} is an apocalyptic number.

210002010112123 is a deficient number, since it is larger than the sum of its proper divisors (1).

210002010112123 is an equidigital number, since it uses as much as digits as its factorization.

210002010112123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 210002010112123 its reverse (321211010200012), we get a palindrome (531213020312135).

The spelling of 210002010112123 in words is "two hundred ten trillion, two billion, ten million, one hundred twelve thousand, one hundred twenty-three".