11113120001 has 2 divisors, whose sum is σ = 11113120002. Its totient is φ = 11113120000.

The previous prime is 11113119989. The next prime is 11113120009. The reversal of 11113120001 is 10002131111.

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., 9540600976 + 1572519025 = 97676^2 + 39655^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11113120001 is a prime.

It is not a weakly prime, because it can be changed into another prime (11113120009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5556560000 + 5556560001.

It is an arithmetic number, because the mean of its divisors is an integer number (5556560001).

Almost surely, 2^11113120001 is an apocalyptic number.

It is an amenable number.

11113120001 is a deficient number, since it is larger than the sum of its proper divisors (1).

11113120001 is an equidigital number, since it uses as much as digits as its factorization.

11113120001 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 11113120001 its reverse (10002131111), we get a palindrome (21115251112).

The spelling of 11113120001 in words is "eleven billion, one hundred thirteen million, one hundred twenty thousand, one".