111213301013 has 2 divisors, whose sum is σ = 111213301014. Its totient is φ = 111213301012.

The previous prime is 111213300973. The next prime is 111213301033. The reversal of 111213301013 is 310103312111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100053913969 + 11159387044 = 316313^2 + 105638^2 .

It is a cyclic number.

It is not a de Polignac number, because 111213301013 - 2²⁸ = 110944865557 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111213300982 and 111213301000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111213301033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55606650506 + 55606650507.

It is an arithmetic number, because the mean of its divisors is an integer number (55606650507).

Almost surely, 2^111213301013 is an apocalyptic number.

It is an amenable number.

111213301013 is a deficient number, since it is larger than the sum of its proper divisors (1).

111213301013 is an equidigital number, since it uses as much as digits as its factorization.

111213301013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 111213301013 its reverse (310103312111), we get a palindrome (421316613124).

The spelling of 111213301013 in words is "one hundred eleven billion, two hundred thirteen million, three hundred one thousand, thirteen".