1121303331001 has 12 divisors (see below), whose sum is σ = 1311660274320. Its totient is φ = 955747763880.

The previous prime is 1121303330999. The next prime is 1121303331011. The reversal of 1121303331001 is 1001333031211.

It is not a de Polignac number, because 1121303331001 - 2¹ = 1121303330999 is a prime.

It is a super-2 number, since 2×1121303331001² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1121303331001.

It is not an unprimeable number, because it can be changed into a prime (1121303331011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63912295 + ... + 63929836.

It is an arithmetic number, because the mean of its divisors is an integer number (109305022860).

Almost surely, 2^{1121303331001} is an apocalyptic number.

It is an amenable number.

1121303331001 is a deficient number, since it is larger than the sum of its proper divisors (190356943319).

1121303331001 is a wasteful number, since it uses less digits than its factorization.

1121303331001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127842324 (or 127842317 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 1121303331001 its reverse (1001333031211), we get a palindrome (2122636362212).

The spelling of 1121303331001 in words is "one trillion, one hundred twenty-one billion, three hundred three million, three hundred thirty-one thousand, one".