10121210011223 has 2 divisors, whose sum is σ = 10121210011224. Its totient is φ = 10121210011222.

The previous prime is 10121210011207. The next prime is 10121210011261. The reversal of 10121210011223 is 32211001212101.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10121210011223 - 2⁴ = 10121210011207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10121210011123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060605005611 + 5060605005612.

It is an arithmetic number, because the mean of its divisors is an integer number (5060605005612).

Almost surely, 2^{10121210011223} is an apocalyptic number.

10121210011223 is a deficient number, since it is larger than the sum of its proper divisors (1).

10121210011223 is an equidigital number, since it uses as much as digits as its factorization.

10121210011223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 10121210011223 its reverse (32211001212101), we get a palindrome (42332211223324).

The spelling of 10121210011223 in words is "ten trillion, one hundred twenty-one billion, two hundred ten million, eleven thousand, two hundred twenty-three".