1211133022 has 16 divisors (see below), whose sum is σ = 1984485744. Its totient is φ = 549784000.

The previous prime is 1211133013. The next prime is 1211133029. The reversal of 1211133022 is 2203311121.

It is a junction number, because it is equal to n+sod(n) for n = 1211132987 and 1211133005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211133029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19429 + ... + 52912.

It is an arithmetic number, because the mean of its divisors is an integer number (124030359).

Almost surely, 2^1211133022 is an apocalyptic number.

1211133022 is a deficient number, since it is larger than the sum of its proper divisors (773352722).

1211133022 is a wasteful number, since it uses less digits than its factorization.

1211133022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73115.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1211133022 is about 34801.3364973244. The cubic root of 1211133022 is about 1065.9347365259.

Adding to 1211133022 its reverse (2203311121), we get a palindrome (3414444143).

The spelling of 1211133022 in words is "one billion, two hundred eleven million, one hundred thirty-three thousand, twenty-two".