1211133422 has 8 divisors (see below), whose sum is σ = 1850977656. Its totient is φ = 594140872.

The previous prime is 1211133421. The next prime is 1211133461. The reversal of 1211133422 is 2243311121.

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

It is a junction number, because it is equal to n+sod(n) for n = 1211133394 and 1211133403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211133421) 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, 5712788 + ... + 5712999.

It is an arithmetic number, because the mean of its divisors is an integer number (231372207).

Almost surely, 2^1211133422 is an apocalyptic number.

1211133422 is a deficient number, since it is larger than the sum of its proper divisors (639844234).

1211133422 is a wasteful number, since it uses less digits than its factorization.

1211133422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11425842.

The product of its digits is 288, while the sum is 20.

The square root of 1211133422 is about 34801.3422442296. The cubic root of 1211133422 is about 1065.9348538744.

Adding to 1211133422 its reverse (2243311121), we get a palindrome (3454444543).

The spelling of 1211133422 in words is "one billion, two hundred eleven million, one hundred thirty-three thousand, four hundred twenty-two".