11311200201103 has 4 divisors (see below), whose sum is σ = 12339491128488. Its totient is φ = 10282909273720.

The previous prime is 11311200201013. The next prime is 11311200201109. The reversal of 11311200201103 is 30110200211311.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11311200201103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11311200201109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 514145463676 + ... + 514145463697.

It is an arithmetic number, because the mean of its divisors is an integer number (3084872782122).

Almost surely, 2^{11311200201103} is an apocalyptic number.

11311200201103 is a deficient number, since it is larger than the sum of its proper divisors (1028290927385).

11311200201103 is a wasteful number, since it uses less digits than its factorization.

11311200201103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028290927384.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 11311200201103 its reverse (30110200211311), we get a palindrome (41421400412414).

The spelling of 11311200201103 in words is "eleven trillion, three hundred eleven billion, two hundred million, two hundred one thousand, one hundred three".