1121303011031 has 24 divisors (see below), whose sum is σ = 1402237428480. Its totient is φ = 891158717232.

The previous prime is 1121303011027. The next prime is 1121303011061. The reversal of 1121303011031 is 1301103031211.

It is not a de Polignac number, because 1121303011031 - 2² = 1121303011027 is a prime.

It is a super-2 number, since 2×1121303011031² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121303011061) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12769085 + ... + 12856598.

It is an arithmetic number, because the mean of its divisors is an integer number (58426559520).

Almost surely, 2^{1121303011031} is an apocalyptic number.

1121303011031 is a deficient number, since it is larger than the sum of its proper divisors (280934417449).

1121303011031 is a wasteful number, since it uses less digits than its factorization.

1121303011031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25625763 (or 25625756 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 1121303011031 its reverse (1301103031211), we get a palindrome (2422406042242).

The spelling of 1121303011031 in words is "one trillion, one hundred twenty-one billion, three hundred three million, eleven thousand, thirty-one".