1100113901 has 2 divisors, whose sum is σ = 1100113902. Its totient is φ = 1100113900.

The previous prime is 1100113871. The next prime is 1100113907. The reversal of 1100113901 is 1093110011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 757900900 + 342213001 = 27530^2 + 18499^2 .

It is a cyclic number.

It is not a de Polignac number, because 1100113901 - 2¹⁸ = 1099851757 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1100113901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1100113907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550056950 + 550056951.

It is an arithmetic number, because the mean of its divisors is an integer number (550056951).

Almost surely, 2^1100113901 is an apocalyptic number.

It is an amenable number.

1100113901 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100113901 is an equidigital number, since it uses as much as digits as its factorization.

1100113901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27, while the sum is 17.

The square root of 1100113901 is about 33167.9649812888. The cubic root of 1100113901 is about 1032.3157438441.

Adding to 1100113901 its reverse (1093110011), we get a palindrome (2193223912).

The spelling of 1100113901 in words is "one billion, one hundred million, one hundred thirteen thousand, nine hundred one".