1103121341311 has 4 divisors (see below), whose sum is σ = 1203405099624. Its totient is φ = 1002837583000.

The previous prime is 1103121341299. The next prime is 1103121341321. The reversal of 1103121341311 is 1131431213011.

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

It is not a de Polignac number, because 1103121341311 - 2¹¹ = 1103121339263 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 (1103121341321) 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, 50141879140 + ... + 50141879161.

It is an arithmetic number, because the mean of its divisors is an integer number (300851274906).

Almost surely, 2^{1103121341311} is an apocalyptic number.

1103121341311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1103121341311 is a deficient number, since it is larger than the sum of its proper divisors (100283758313).

1103121341311 is a wasteful number, since it uses less digits than its factorization.

1103121341311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100283758312.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 1103121341311 its reverse (1131431213011), we get a palindrome (2234552554322).

The spelling of 1103121341311 in words is "one trillion, one hundred three billion, one hundred twenty-one million, three hundred forty-one thousand, three hundred eleven".