11311320201103 has 16 divisors (see below), whose sum is σ = 12226650936192. Its totient is φ = 10402494300000.

The previous prime is 11311320201101. The next prime is 11311320201113. The reversal of 11311320201103 is 30110202311311.

It is a cyclic number.

It is not a de Polignac number, because 11311320201103 - 2¹ = 11311320201101 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 (11311320201101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5337828 + ... + 7149478.

It is an arithmetic number, because the mean of its divisors is an integer number (764165683512).

Almost surely, 2^{11311320201103} is an apocalyptic number.

11311320201103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11311320201103 is a deficient number, since it is larger than the sum of its proper divisors (915330735089).

11311320201103 is a wasteful number, since it uses less digits than its factorization.

11311320201103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1813446.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 11311320201103 its reverse (30110202311311), we get a palindrome (41421522512414).

The spelling of 11311320201103 in words is "eleven trillion, three hundred eleven billion, three hundred twenty million, two hundred one thousand, one hundred three".