111223020133213 has 2 divisors, whose sum is σ = 111223020133214. Its totient is φ = 111223020133212.

The previous prime is 111223020133097. The next prime is 111223020133243. The reversal of 111223020133213 is 312331020322111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83448992341764 + 27774027791449 = 9135042^2 + 5270107^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111223020133213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111223020133243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55611510066606 + 55611510066607.

It is an arithmetic number, because the mean of its divisors is an integer number (55611510066607).

Almost surely, 2^{111223020133213} is an apocalyptic number.

It is an amenable number.

111223020133213 is a deficient number, since it is larger than the sum of its proper divisors (1).

111223020133213 is an equidigital number, since it uses as much as digits as its factorization.

111223020133213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 111223020133213 its reverse (312331020322111), we get a palindrome (423554040455324).

The spelling of 111223020133213 in words is "one hundred eleven trillion, two hundred twenty-three billion, twenty million, one hundred thirty-three thousand, two hundred thirteen".