11203113101 has 8 divisors (see below), whose sum is σ = 12151440504. Its totient is φ = 10286932480.

The previous prime is 11203113091. The next prime is 11203113109. The reversal of 11203113101 is 10131130211.

It is a happy number.

11203113101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 79192201 + 11123920900 = 8899^2 + 105470^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11203113101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11203113109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8035970 + ... + 8037363.

It is an arithmetic number, because the mean of its divisors is an integer number (1518930063).

Almost surely, 2^11203113101 is an apocalyptic number.

It is an amenable number.

11203113101 is a deficient number, since it is larger than the sum of its proper divisors (948327403).

11203113101 is a wasteful number, since it uses less digits than its factorization.

11203113101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16073391.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 11203113101 its reverse (10131130211), we get a palindrome (21334243312).

The spelling of 11203113101 in words is "eleven billion, two hundred three million, one hundred thirteen thousand, one hundred one".