11111201113 has 2 divisors, whose sum is σ = 11111201114. Its totient is φ = 11111201112.

The previous prime is 11111201093. The next prime is 11111201149. The reversal of 11111201113 is 31110211111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9873005769 + 1238195344 = 99363^2 + 35188^2 .

It is a cyclic number.

It is not a de Polignac number, because 11111201113 - 2⁵ = 11111201081 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11111201093 and 11111201102.

It is not a weakly prime, because it can be changed into another prime (11111207113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555600556 + 5555600557.

It is an arithmetic number, because the mean of its divisors is an integer number (5555600557).

Almost surely, 2^11111201113 is an apocalyptic number.

It is an amenable number.

11111201113 is a deficient number, since it is larger than the sum of its proper divisors (1).

11111201113 is an equidigital number, since it uses as much as digits as its factorization.

11111201113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6, while the sum is 13.

Adding to 11111201113 its reverse (31110211111), we get a palindrome (42221412224).

The spelling of 11111201113 in words is "eleven billion, one hundred eleven million, two hundred one thousand, one hundred thirteen".