210010121121223 has 2 divisors, whose sum is σ = 210010121121224. Its totient is φ = 210010121121222.

The previous prime is 210010121121187. The next prime is 210010121121233. The reversal of 210010121121223 is 322121121010012.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210010121121223 is a prime.

It is a super-2 number, since 2×210010121121223² (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 210010121121223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210010121121233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105005060560611 + 105005060560612.

It is an arithmetic number, because the mean of its divisors is an integer number (105005060560612).

Almost surely, 2^{210010121121223} is an apocalyptic number.

210010121121223 is a deficient number, since it is larger than the sum of its proper divisors (1).

210010121121223 is an equidigital number, since it uses as much as digits as its factorization.

210010121121223 is an odious number, because the sum of its binary digits is odd.

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

Adding to 210010121121223 its reverse (322121121010012), we get a palindrome (532131242131235).

The spelling of 210010121121223 in words is "two hundred ten trillion, ten billion, one hundred twenty-one million, one hundred twenty-one thousand, two hundred twenty-three".