111115060213 has 2 divisors, whose sum is σ = 111115060214. Its totient is φ = 111115060212.

The previous prime is 111115060201. The next prime is 111115060237. The reversal of 111115060213 is 312060511111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84113340529 + 27001719684 = 290023^2 + 164322^2 .

It is an emirp because it is prime and its reverse (312060511111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111115060213 is a prime.

It is a super-2 number, since 2×111115060213² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111115060613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55557530106 + 55557530107.

It is an arithmetic number, because the mean of its divisors is an integer number (55557530107).

Almost surely, 2^111115060213 is an apocalyptic number.

It is an amenable number.

111115060213 is a deficient number, since it is larger than the sum of its proper divisors (1).

111115060213 is an equidigital number, since it uses as much as digits as its factorization.

111115060213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 22.

Adding to 111115060213 its reverse (312060511111), we get a palindrome (423175571324).

The spelling of 111115060213 in words is "one hundred eleven billion, one hundred fifteen million, sixty thousand, two hundred thirteen".