111232343213 has 2 divisors, whose sum is σ = 111232343214. Its totient is φ = 111232343212.

The previous prime is 111232343177. The next prime is 111232343219. The reversal of 111232343213 is 312343232111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62131544644 + 49100798569 = 249262^2 + 221587^2 .

It is a cyclic number.

It is not a de Polignac number, because 111232343213 - 2⁶ = 111232343149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111232343219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55616171606 + 55616171607.

It is an arithmetic number, because the mean of its divisors is an integer number (55616171607).

Almost surely, 2^111232343213 is an apocalyptic number.

It is an amenable number.

111232343213 is a deficient number, since it is larger than the sum of its proper divisors (1).

111232343213 is an equidigital number, since it uses as much as digits as its factorization.

111232343213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 26.

Adding to 111232343213 its reverse (312343232111), we get a palindrome (423575575324).

The spelling of 111232343213 in words is "one hundred eleven billion, two hundred thirty-two million, three hundred forty-three thousand, two hundred thirteen".