1122210211 has 4 divisors (see below), whose sum is σ = 1146087072. Its totient is φ = 1098333352.

The previous prime is 1122210209. The next prime is 1122210233. The reversal of 1122210211 is 1120122211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1120122211 = 13 ⋅86163247.

It is a cyclic number.

It is not a de Polignac number, because 1122210211 - 2¹ = 1122210209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1122210191 and 1122210200.

It is not an unprimeable number, because it can be changed into a prime (1122210611) 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, 11938360 + ... + 11938453.

It is an arithmetic number, because the mean of its divisors is an integer number (286521768).

Almost surely, 2^1122210211 is an apocalyptic number.

1122210211 is a deficient number, since it is larger than the sum of its proper divisors (23876861).

1122210211 is an equidigital number, since it uses as much as digits as its factorization.

1122210211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23876860.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 1122210211 is about 33499.4061290644. The cubic root of 1122210211 is about 1039.1814969530.

Adding to 1122210211 its reverse (1120122211), we get a palindrome (2242332422).

The spelling of 1122210211 in words is "one billion, one hundred twenty-two million, two hundred ten thousand, two hundred eleven".