1122121133 has 16 divisors (see below), whose sum is σ = 1368944640. Its totient is φ = 898354800.

The previous prime is 1122121129. The next prime is 1122121151. The reversal of 1122121133 is 3311212211.

It is not a de Polignac number, because 1122121133 - 2² = 1122121129 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122121103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49973 + ... + 68858.

It is an arithmetic number, because the mean of its divisors is an integer number (85559040).

Almost surely, 2^1122121133 is an apocalyptic number.

It is an amenable number.

1122121133 is a deficient number, since it is larger than the sum of its proper divisors (246823507).

1122121133 is a wasteful number, since it uses less digits than its factorization.

1122121133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118928.

The product of its digits is 72, while the sum is 17.

The square root of 1122121133 is about 33498.0765567219. The cubic root of 1122121133 is about 1039.1540004234.

Adding to 1122121133 its reverse (3311212211), we get a palindrome (4433333344).

The spelling of 1122121133 in words is "one billion, one hundred twenty-two million, one hundred twenty-one thousand, one hundred thirty-three".