1103340121111 has 4 divisors (see below), whose sum is σ = 1103344091824. Its totient is φ = 1103336150400.

The previous prime is 1103340121097. The next prime is 1103340121127. The reversal of 1103340121111 is 1111210433011.

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

It is a cyclic number.

It is not a de Polignac number, because 1103340121111 - 2¹⁹ = 1103339596823 is a prime.

It is a super-2 number, since 2×1103340121111² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103340121171) 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, 1534410 + ... + 2135671.

It is an arithmetic number, because the mean of its divisors is an integer number (275836022956).

Almost surely, 2^{1103340121111} is an apocalyptic number.

1103340121111 is a deficient number, since it is larger than the sum of its proper divisors (3970713).

1103340121111 is an equidigital number, since it uses as much as digits as its factorization.

1103340121111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3970712.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 1103340121111 its reverse (1111210433011), we get a palindrome (2214550554122).

The spelling of 1103340121111 in words is "one trillion, one hundred three billion, three hundred forty million, one hundred twenty-one thousand, one hundred eleven".