10111123223213 has 2 divisors, whose sum is σ = 10111123223214. Its totient is φ = 10111123223212.

The previous prime is 10111123223207. The next prime is 10111123223237. The reversal of 10111123223213 is 31232232111101.

It is a happy number.

10111123223213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8693552001289 + 1417571221924 = 2948483^2 + 1190618^2 .

It is a cyclic number.

It is not a de Polignac number, because 10111123223213 - 2⁸ = 10111123222957 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10111123223813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5055561611606 + 5055561611607.

It is an arithmetic number, because the mean of its divisors is an integer number (5055561611607).

Almost surely, 2^{10111123223213} is an apocalyptic number.

It is an amenable number.

10111123223213 is a deficient number, since it is larger than the sum of its proper divisors (1).

10111123223213 is an equidigital number, since it uses as much as digits as its factorization.

10111123223213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 10111123223213 its reverse (31232232111101), we get a palindrome (41343355334314).

The spelling of 10111123223213 in words is "ten trillion, one hundred eleven billion, one hundred twenty-three million, two hundred twenty-three thousand, two hundred thirteen".