11103331801 has 2 divisors, whose sum is σ = 11103331802. Its totient is φ = 11103331800.

The previous prime is 11103331781. The next prime is 11103331807. The reversal of 11103331801 is 10813330111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11091249225 + 12082576 = 105315^2 + 3476^2 .

It is an emirp because it is prime and its reverse (10813330111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11103331801 - 2¹⁷ = 11103200729 is a prime.

It is not a weakly prime, because it can be changed into another prime (11103331807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5551665900 + 5551665901.

It is an arithmetic number, because the mean of its divisors is an integer number (5551665901).

Almost surely, 2^11103331801 is an apocalyptic number.

It is an amenable number.

11103331801 is a deficient number, since it is larger than the sum of its proper divisors (1).

11103331801 is an equidigital number, since it uses as much as digits as its factorization.

11103331801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 11103331801 its reverse (10813330111), we get a palindrome (21916661912).

The spelling of 11103331801 in words is "eleven billion, one hundred three million, three hundred thirty-one thousand, eight hundred one".