1000113121103 has 8 divisors (see below), whose sum is σ = 1015056900480. Its totient is φ = 985169833560.

The previous prime is 1000113121099. The next prime is 1000113121127. The reversal of 1000113121103 is 3011213110001.

It is a happy number.

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 1000113121103 - 2² = 1000113121099 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 (1000113121603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7260158 + ... + 7396628.

It is an arithmetic number, because the mean of its divisors is an integer number (126882112560).

Almost surely, 2^{1000113121103} is an apocalyptic number.

1000113121103 is a deficient number, since it is larger than the sum of its proper divisors (14943779377).

1000113121103 is a wasteful number, since it uses less digits than its factorization.

1000113121103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245917.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 1000113121103 its reverse (3011213110001), we get a palindrome (4011326231104).

The spelling of 1000113121103 in words is "one trillion, one hundred thirteen million, one hundred twenty-one thousand, one hundred three".