210100001120123 has 2 divisors, whose sum is σ = 210100001120124. Its totient is φ = 210100001120122.

The previous prime is 210100001120071. The next prime is 210100001120167. The reversal of 210100001120123 is 321021100001012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 210100001120123 - 2⁴⁴ = 192507815075707 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210100001120098 and 210100001120107.

It is not a weakly prime, because it can be changed into another prime (210100001123123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105050000560061 + 105050000560062.

It is an arithmetic number, because the mean of its divisors is an integer number (105050000560062).

Almost surely, 2^{210100001120123} is an apocalyptic number.

210100001120123 is a deficient number, since it is larger than the sum of its proper divisors (1).

210100001120123 is an equidigital number, since it uses as much as digits as its factorization.

210100001120123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 210100001120123 its reverse (321021100001012), we get a palindrome (531121101121135).

The spelling of 210100001120123 in words is "two hundred ten trillion, one hundred billion, one million, one hundred twenty thousand, one hundred twenty-three".