1103131112011 has 8 divisors (see below), whose sum is σ = 1139356851584. Its totient is φ = 1066945426560.

The previous prime is 1103131111991. The next prime is 1103131112029. The reversal of 1103131112011 is 1102111313011.

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

It is a cyclic number.

It is not a de Polignac number, because 1103131112011 - 2¹⁵ = 1103131079243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1103131122011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9957540 + ... + 10067713.

It is an arithmetic number, because the mean of its divisors is an integer number (142419606448).

Almost surely, 2^{1103131112011} is an apocalyptic number.

1103131112011 is a deficient number, since it is larger than the sum of its proper divisors (36225739573).

1103131112011 is a wasteful number, since it uses less digits than its factorization.

1103131112011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20027061.

The product of its (nonzero) digits is 18, while the sum is 16.

Adding to 1103131112011 its reverse (1102111313011), we get a palindrome (2205242425022).

The spelling of 1103131112011 in words is "one trillion, one hundred three billion, one hundred thirty-one million, one hundred twelve thousand, eleven".