1121032331013 has 48 divisors (see below), whose sum is σ = 1814947706880. Its totient is φ = 612533474784.

The previous prime is 1121032330993. The next prime is 1121032331047. The reversal of 1121032331013 is 3101332301211.

It is a happy number.

It is not a de Polignac number, because 1121032331013 - 2⁶ = 1121032330949 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121032331063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10356256 + ... + 10463942.

It is an arithmetic number, because the mean of its divisors is an integer number (37811410560).

Almost surely, 2^{1121032331013} is an apocalyptic number.

It is an amenable number.

1121032331013 is a deficient number, since it is larger than the sum of its proper divisors (693915375867).

1121032331013 is a wasteful number, since it uses less digits than its factorization.

1121032331013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110806 (or 110799 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1121032331013 its reverse (3101332301211), we get a palindrome (4222364632224).

The spelling of 1121032331013 in words is "one trillion, one hundred twenty-one billion, thirty-two million, three hundred thirty-one thousand, thirteen".