1121311333 has 8 divisors (see below), whose sum is σ = 1140697080. Its totient is φ = 1101958080.

The previous prime is 1121311327. The next prime is 1121311379. The reversal of 1121311333 is 3331131211.

It can be written as a sum of positive squares in 4 ways, for example, as 95902849 + 1025408484 = 9793^2 + 32022^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1121311333 - 2¹⁷ = 1121180261 is a prime.

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 1121311333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121311033) 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, 67491 + ... + 82447.

It is an arithmetic number, because the mean of its divisors is an integer number (142587135).

Almost surely, 2^1121311333 is an apocalyptic number.

It is an amenable number.

1121311333 is a deficient number, since it is larger than the sum of its proper divisors (19385747).

1121311333 is a wasteful number, since it uses less digits than its factorization.

1121311333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16247.

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

The square root of 1121311333 is about 33485.9871140153. The cubic root of 1121311333 is about 1038.9039652012.

Adding to 1121311333 its reverse (3331131211), we get a palindrome (4452442544).

The spelling of 1121311333 in words is "one billion, one hundred twenty-one million, three hundred eleven thousand, three hundred thirty-three".