1211113322 has 4 divisors (see below), whose sum is σ = 1816669986. Its totient is φ = 605556660.

The previous prime is 1211113313. The next prime is 1211113331. The reversal of 1211113322 is 2233111121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2233111121 = 277 ⋅8061773.

It is an interprime number because it is at equal distance from previous prime (1211113313) and next prime (1211113331).

It can be written as a sum of positive squares in only one way, i.e., 1211109601 + 3721 = 34801^2 + 61^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1211113322.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 302778329 + ... + 302778332.

Almost surely, 2^1211113322 is an apocalyptic number.

1211113322 is a deficient number, since it is larger than the sum of its proper divisors (605556664).

1211113322 is an equidigital number, since it uses as much as digits as its factorization.

1211113322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605556663.

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

The square root of 1211113322 is about 34801.0534610664. The cubic root of 1211113322 is about 1065.9289570815.

Adding to 1211113322 its reverse (2233111121), we get a palindrome (3444224443).

The spelling of 1211113322 in words is "one billion, two hundred eleven million, one hundred thirteen thousand, three hundred twenty-two".