210002121001223 has 2 divisors, whose sum is σ = 210002121001224. Its totient is φ = 210002121001222.

The previous prime is 210002121001213. The next prime is 210002121001259. The reversal of 210002121001223 is 322100121200012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 210002121001223 - 2⁸ = 210002121000967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210002121001213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105001060500611 + 105001060500612.

It is an arithmetic number, because the mean of its divisors is an integer number (105001060500612).

Almost surely, 2^{210002121001223} is an apocalyptic number.

210002121001223 is a deficient number, since it is larger than the sum of its proper divisors (1).

210002121001223 is an equidigital number, since it uses as much as digits as its factorization.

210002121001223 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 17.

Adding to 210002121001223 its reverse (322100121200012), we get a palindrome (532102242201235).

The spelling of 210002121001223 in words is "two hundred ten trillion, two billion, one hundred twenty-one million, one thousand, two hundred twenty-three".