210010122121123 has 2 divisors, whose sum is σ = 210010122121124. Its totient is φ = 210010122121122.

The previous prime is 210010122121031. The next prime is 210010122121141. The reversal of 210010122121123 is 321121221010012.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210010122121123 is a prime.

It is a super-2 number, since 2×210010122121123² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 210010122121123.

It is not a weakly prime, because it can be changed into another prime (210010122121223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105005061060561 + 105005061060562.

It is an arithmetic number, because the mean of its divisors is an integer number (105005061060562).

Almost surely, 2^{210010122121123} is an apocalyptic number.

210010122121123 is a deficient number, since it is larger than the sum of its proper divisors (1).

210010122121123 is an equidigital number, since it uses as much as digits as its factorization.

210010122121123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 210010122121123 its reverse (321121221010012), we get a palindrome (531131343131135).

The spelling of 210010122121123 in words is "two hundred ten trillion, ten billion, one hundred twenty-two million, one hundred twenty-one thousand, one hundred twenty-three".