1121133212031 has 8 divisors (see below), whose sum is σ = 1708393465984. Its totient is φ = 640647549720.

The previous prime is 1121133212011. The next prime is 1121133212033. The reversal of 1121133212031 is 1302123311211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1121133212031 - 2⁹ = 1121133211519 is a prime.

It is a super-2 number, since 2×1121133212031² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 53387295811 = 1121133212031 / (1 + 1 + 2 + 1 + 1 + 3 + 3 + 2 + 1 + 2 + 0 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1121133211989 and 1121133212007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121133212033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26693647885 + ... + 26693647926.

It is an arithmetic number, because the mean of its divisors is an integer number (213549183248).

Almost surely, 2^{1121133212031} is an apocalyptic number.

1121133212031 is a deficient number, since it is larger than the sum of its proper divisors (587260253953).

1121133212031 is an equidigital number, since it uses as much as digits as its factorization.

1121133212031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53387295821.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1121133212031 its reverse (1302123311211), we get a palindrome (2423256523242).

The spelling of 1121133212031 in words is "one trillion, one hundred twenty-one billion, one hundred thirty-three million, two hundred twelve thousand, thirty-one".