1122212222222 has 32 divisors (see below), whose sum is σ = 2084182313472. Its totient is φ = 441293680224.

The previous prime is 1122212222221. The next prime is 1122212222281. The reversal of 1122212222222 is 2222222122211.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122212222221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18430688 + ... + 18491475.

It is an arithmetic number, because the mean of its divisors is an integer number (65130697296).

Almost surely, 2^{1122212222222} is an apocalyptic number.

1122212222222 is a deficient number, since it is larger than the sum of its proper divisors (961970091250).

1122212222222 is a wasteful number, since it uses less digits than its factorization.

1122212222222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36922352.

The product of its digits is 1024, while the sum is 23.

Adding to 1122212222222 its reverse (2222222122211), we get a palindrome (3344434344433).

The spelling of 1122212222222 in words is "one trillion, one hundred twenty-two billion, two hundred twelve million, two hundred twenty-two thousand, two hundred twenty-two".