1211441122 has 16 divisors (see below), whose sum is σ = 1842939000. Its totient is φ = 597168000.

The previous prime is 1211441117. The next prime is 1211441149. The reversal of 1211441122 is 2211441121.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1011812481 + 199628641 = 31809^2 + 14129^2 .

It is a super-3 number, since 3×1211441122³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1211441122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52372 + ... + 71872.

Almost surely, 2^1211441122 is an apocalyptic number.

1211441122 is a deficient number, since it is larger than the sum of its proper divisors (631497878).

1211441122 is a wasteful number, since it uses less digits than its factorization.

1211441122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19941.

The product of its digits is 128, while the sum is 19.

The square root of 1211441122 is about 34805.7627699782. The cubic root of 1211441122 is about 1066.0251165370.

Adding to 1211441122 its reverse (2211441121), we get a palindrome (3422882243).

Subtracting 1211441122 from its reverse (2211441121), we obtain a palindrome (999999999).

The spelling of 1211441122 in words is "one billion, two hundred eleven million, four hundred forty-one thousand, one hundred twenty-two".