1011323201103 has 12 divisors (see below), whose sum is σ = 1524313230960. Its totient is φ = 644901751296.

The previous prime is 1011323201089. The next prime is 1011323201107. The reversal of 1011323201103 is 3011023231101.

1011323201103 is a `hidden beast` number, since 101 + 132 + 320 + 110 + 3 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-1011323201103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011323201107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2442809458 + ... + 2442809871.

It is an arithmetic number, because the mean of its divisors is an integer number (127026102580).

Almost surely, 2^{1011323201103} is an apocalyptic number.

1011323201103 is a deficient number, since it is larger than the sum of its proper divisors (512990029857).

1011323201103 is a wasteful number, since it uses less digits than its factorization.

1011323201103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4885619358 (or 4885619355 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1011323201103 its reverse (3011023231101), we get a palindrome (4022346432204).

The spelling of 1011323201103 in words is "one trillion, eleven billion, three hundred twenty-three million, two hundred one thousand, one hundred three".