1331113121103 has 8 divisors (see below), whose sum is σ = 1777206215808. Its totient is φ = 886214386904.

The previous prime is 1331113121069. The next prime is 1331113121179. The reversal of 1331113121103 is 3011213111331.

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 1331113121103 - 2²⁵ = 1331079566671 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1331113121103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331113121203) 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, 298587525 + ... + 298591982.

It is an arithmetic number, because the mean of its divisors is an integer number (222150776976).

Almost surely, 2^{1331113121103} is an apocalyptic number.

1331113121103 is a deficient number, since it is larger than the sum of its proper divisors (446093094705).

1331113121103 is an equidigital number, since it uses as much as digits as its factorization.

1331113121103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597180253.

The product of its (nonzero) digits is 162, while the sum is 21.

Adding to 1331113121103 its reverse (3011213111331), we get a palindrome (4342326232434).

The spelling of 1331113121103 in words is "one trillion, three hundred thirty-one billion, one hundred thirteen million, one hundred twenty-one thousand, one hundred three".