1122022211 has 4 divisors (see below), whose sum is σ = 1145895072. Its totient is φ = 1098149352.

The previous prime is 1122022201. The next prime is 1122022229. The reversal of 1122022211 is 1122202211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1122202211 = 13 ⋅86323247.

It is a cyclic number.

It is not a de Polignac number, because 1122022211 - 2¹⁴ = 1122005827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122022201) 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 3 ways as a sum of consecutive naturals, for example, 11936360 + ... + 11936453.

It is an arithmetic number, because the mean of its divisors is an integer number (286473768).

Almost surely, 2^1122022211 is an apocalyptic number.

1122022211 is a deficient number, since it is larger than the sum of its proper divisors (23872861).

1122022211 is an equidigital number, since it uses as much as digits as its factorization.

1122022211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23872860.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1122022211 is about 33496.5999916409. The cubic root of 1122022211 is about 1039.1234635500.

Adding to 1122022211 its reverse (1122202211), we get a palindrome (2244224422).

The spelling of 1122022211 in words is "one billion, one hundred twenty-two million, twenty-two thousand, two hundred eleven".