1113305142121 has 8 divisors (see below), whose sum is σ = 1114408094760. Its totient is φ = 1112202352128.

The previous prime is 1113305142049. The next prime is 1113305142161. The reversal of 1113305142121 is 1212415033111.

It can be written as a sum of positive squares in 4 ways, for example, as 336023105625 + 777282036496 = 579675^2 + 881636^2 .

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 1113305142121 - 2⁹ = 1113305141609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1113305142161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17231245 + ... + 17295733.

It is an arithmetic number, because the mean of its divisors is an integer number (139301011845).

Almost surely, 2^{1113305142121} is an apocalyptic number.

It is an amenable number.

1113305142121 is a deficient number, since it is larger than the sum of its proper divisors (1102952639).

1113305142121 is a wasteful number, since it uses less digits than its factorization.

1113305142121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81323.

The product of its (nonzero) digits is 720, while the sum is 25.

The spelling of 1113305142121 in words is "one trillion, one hundred thirteen billion, three hundred five million, one hundred forty-two thousand, one hundred twenty-one".