1121111033 has 24 divisors (see below), whose sum is σ = 1320913440. Its totient is φ = 948689280.

The previous prime is 1121111027. The next prime is 1121111051. The reversal of 1121111033 is 3301111211.

It is a happy number.

It is not a de Polignac number, because 1121111033 - 2¹² = 1121106937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1121110999 and 1121111017.

It is not an unprimeable number, because it can be changed into a prime (1121111023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1641110 + ... + 1641792.

It is an arithmetic number, because the mean of its divisors is an integer number (55038060).

Almost surely, 2^1121111033 is an apocalyptic number.

It is an amenable number.

1121111033 is a deficient number, since it is larger than the sum of its proper divisors (199802407).

1121111033 is a wasteful number, since it uses less digits than its factorization.

1121111033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077 (or 1070 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 1121111033 is about 33482.9961771643. The cubic root of 1121111033 is about 1038.8421016640.

Adding to 1121111033 its reverse (3301111211), we get a palindrome (4422222244).

The spelling of 1121111033 in words is "one billion, one hundred twenty-one million, one hundred eleven thousand, thirty-three".