10001121223 has 2 divisors, whose sum is σ = 10001121224. Its totient is φ = 10001121222.

The previous prime is 10001121197. The next prime is 10001121239. The reversal of 10001121223 is 32212110001.

It is a strong prime.

It is an emirp because it is prime and its reverse (32212110001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10001121223 - 2⁵ = 10001121191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10001121293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000560611 + 5000560612.

It is an arithmetic number, because the mean of its divisors is an integer number (5000560612).

Almost surely, 2^10001121223 is an apocalyptic number.

10001121223 is a deficient number, since it is larger than the sum of its proper divisors (1).

10001121223 is an equidigital number, since it uses as much as digits as its factorization.

10001121223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 10001121223 its reverse (32212110001), we get a palindrome (42213231224).

The spelling of 10001121223 in words is "ten billion, one million, one hundred twenty-one thousand, two hundred twenty-three".