111001201013 has 2 divisors, whose sum is σ = 111001201014. Its totient is φ = 111001201012.

The previous prime is 111001201001. The next prime is 111001201019. The reversal of 111001201013 is 310102100111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88436053924 + 22565147089 = 297382^2 + 150217^2 .

It is a cyclic number.

It is not a de Polignac number, because 111001201013 - 2⁸ = 111001200757 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111001200985 and 111001201003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111001201019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55500600506 + 55500600507.

It is an arithmetic number, because the mean of its divisors is an integer number (55500600507).

Almost surely, 2^111001201013 is an apocalyptic number.

It is an amenable number.

111001201013 is a deficient number, since it is larger than the sum of its proper divisors (1).

111001201013 is an equidigital number, since it uses as much as digits as its factorization.

111001201013 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 11.

Adding to 111001201013 its reverse (310102100111), we get a palindrome (421103301124).

The spelling of 111001201013 in words is "one hundred eleven billion, one million, two hundred one thousand, thirteen".