111100320013 has 2 divisors, whose sum is σ = 111100320014. Its totient is φ = 111100320012.

The previous prime is 111100319923. The next prime is 111100320029. The reversal of 111100320013 is 310023001111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109681517124 + 1418802889 = 331182^2 + 37667^2 .

It is a cyclic number.

It is not a de Polignac number, because 111100320013 - 2¹³ = 111100311821 is a prime.

It is a super-2 number, since 2×111100320013² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111100319975 and 111100320002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111100320043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55550160006 + 55550160007.

It is an arithmetic number, because the mean of its divisors is an integer number (55550160007).

Almost surely, 2^111100320013 is an apocalyptic number.

It is an amenable number.

111100320013 is a deficient number, since it is larger than the sum of its proper divisors (1).

111100320013 is an equidigital number, since it uses as much as digits as its factorization.

111100320013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 111100320013 its reverse (310023001111), we get a palindrome (421123321124).

The spelling of 111100320013 in words is "one hundred eleven billion, one hundred million, three hundred twenty thousand, thirteen".