1121222033 has 4 divisors (see below), whose sum is σ = 1147297008. Its totient is φ = 1095147060.

The previous prime is 1121221999. The next prime is 1121222051. The reversal of 1121222033 is 3302221211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3302221211 = 73 ⋅45235907.

It is a cyclic number.

It is not a de Polignac number, because 1121222033 - 2¹⁴ = 1121205649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121222093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13037423 + ... + 13037508.

It is an arithmetic number, because the mean of its divisors is an integer number (286824252).

Almost surely, 2^1121222033 is an apocalyptic number.

It is an amenable number.

1121222033 is a deficient number, since it is larger than the sum of its proper divisors (26074975).

1121222033 is an equidigital number, since it uses as much as digits as its factorization.

1121222033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26074974.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1121222033 is about 33484.6536938939. The cubic root of 1121222033 is about 1038.8763854130.

Adding to 1121222033 its reverse (3302221211), we get a palindrome (4423443244).

The spelling of 1121222033 in words is "one billion, one hundred twenty-one million, two hundred twenty-two thousand, thirty-three".