1122103211 has 4 divisors (see below), whose sum is σ = 1149471624. Its totient is φ = 1094734800.

The previous prime is 1122103201. The next prime is 1122103217. The reversal of 1122103211 is 1123012211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1123012211 = 29 ⋅38724559.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1122103211 is a prime.

It is a super-2 number, since 2×1122103211² = 2518231232273021042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122103217) 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, 13684145 + ... + 13684226.

It is an arithmetic number, because the mean of its divisors is an integer number (287367906).

Almost surely, 2^1122103211 is an apocalyptic number.

1122103211 is a deficient number, since it is larger than the sum of its proper divisors (27368413).

1122103211 is an equidigital number, since it uses as much as digits as its factorization.

1122103211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27368412.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1122103211 is about 33497.8090477571. The cubic root of 1122103211 is about 1039.1484680982.

Adding to 1122103211 its reverse (1123012211), we get a palindrome (2245115422).

The spelling of 1122103211 in words is "one billion, one hundred twenty-two million, one hundred three thousand, two hundred eleven".