1121131197333 has 42 divisors (see below), whose sum is σ = 1955365105974. Its totient is φ = 640646378064.

The previous prime is 1121131197323. The next prime is 1121131197379. The reversal of 1121131197333 is 3337911311211.

It is a happy number.

1121131197333 is a `hidden beast` number, since 1 + 1 + 2 + 1 + 1 + 311 + 9 + 7 + 333 = 666.

It can be written as a sum of positive squares in only one way, i.e., 900900908964 + 220230288369 = 949158^2 + 469287^2 .

It is not a de Polignac number, because 1121131197333 - 2⁹ = 1121131196821 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121131197323) by changing a digit.

It is a polite number, since it can be written in 41 ways as a sum of consecutive naturals, for example, 15657166 + ... + 15728607.

It is an arithmetic number, because the mean of its divisors is an integer number (46556312047).

Almost surely, 2^{1121131197333} is an apocalyptic number.

It is an amenable number.

1121131197333 is a deficient number, since it is larger than the sum of its proper divisors (834233908641).

1121131197333 is an frugal number, since it uses more digits than its factorization.

1121131197333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31385805 (or 31385783 counting only the distinct ones).

The product of its digits is 10206, while the sum is 36.

The spelling of 1121131197333 in words is "one trillion, one hundred twenty-one billion, one hundred thirty-one million, one hundred ninety-seven thousand, three hundred thirty-three".