1021113121303 has 4 divisors (see below), whose sum is σ = 1113941586888. Its totient is φ = 928284655720.

The previous prime is 1021113121297. The next prime is 1021113121307. The reversal of 1021113121303 is 3031213111201.

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 1021113121303 - 2⁹ = 1021113120791 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 (1021113121307) 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, 46414232776 + ... + 46414232797.

It is an arithmetic number, because the mean of its divisors is an integer number (278485396722).

Almost surely, 2^{1021113121303} is an apocalyptic number.

1021113121303 is a deficient number, since it is larger than the sum of its proper divisors (92828465585).

1021113121303 is an equidigital number, since it uses as much as digits as its factorization.

1021113121303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92828465584.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1021113121303 its reverse (3031213111201), we get a palindrome (4052326232504).

The spelling of 1021113121303 in words is "one trillion, twenty-one billion, one hundred thirteen million, one hundred twenty-one thousand, three hundred three".