10211210121223 has 2 divisors, whose sum is σ = 10211210121224. Its totient is φ = 10211210121222.

The previous prime is 10211210121163. The next prime is 10211210121251. The reversal of 10211210121223 is 32212101211201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10211210121223 - 2¹⁷ = 10211209990151 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10211210121223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10211210121263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5105605060611 + 5105605060612.

It is an arithmetic number, because the mean of its divisors is an integer number (5105605060612).

Almost surely, 2^{10211210121223} is an apocalyptic number.

10211210121223 is a deficient number, since it is larger than the sum of its proper divisors (1).

10211210121223 is an equidigital number, since it uses as much as digits as its factorization.

10211210121223 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 10211210121223 its reverse (32212101211201), we get a palindrome (42423311332424).

The spelling of 10211210121223 in words is "ten trillion, two hundred eleven billion, two hundred ten million, one hundred twenty-one thousand, two hundred twenty-three".