1122132211218 has 12 divisors (see below), whose sum is σ = 2431286457678. Its totient is φ = 374044070400.

The previous prime is 1122132211217. The next prime is 1122132211241. The reversal of 1122132211218 is 8121122312211.

1122132211218 is a `hidden beast` number, since 1 + 1 + 221 + 3 + 221 + 1 + 218 = 666.

It can be written as a sum of positive squares in only one way, i.e., 931759686729 + 190372524489 = 965277^2 + 436317^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1122132211191 and 1122132211200.

It is not an unprimeable number, because it can be changed into a prime (1122132211217) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31170339183 + ... + 31170339218.

Almost surely, 2^{1122132211218} is an apocalyptic number.

1122132211218 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1122132211218 is an abundant number, since it is smaller than the sum of its proper divisors (1309154246460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1122132211218 is a wasteful number, since it uses less digits than its factorization.

1122132211218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62340678409 (or 62340678406 counting only the distinct ones).

The product of its digits is 768, while the sum is 27.

Adding to 1122132211218 its reverse (8121122312211), we get a palindrome (9243254523429).

The spelling of 1122132211218 in words is "one trillion, one hundred twenty-two billion, one hundred thirty-two million, two hundred eleven thousand, two hundred eighteen".