11222212222122 has 32 divisors (see below), whose sum is σ = 24486352332480. Its totient is φ = 3400458472320.

The previous prime is 11222212222037. The next prime is 11222212222129. The reversal of 11222212222122 is 22122221222211.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 11222212222092 and 11222212222101.

It is not an unprimeable number, because it can be changed into a prime (11222212222129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4228597 + ... + 6350232.

It is an arithmetic number, because the mean of its divisors is an integer number (765198510390).

Almost surely, 2^{11222212222122} is an apocalyptic number.

11222212222122 is an abundant number, since it is smaller than the sum of its proper divisors (13264140110358).

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

11222212222122 is a wasteful number, since it uses less digits than its factorization.

11222212222122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10594918.

The product of its digits is 1024, while the sum is 24.

Adding to 11222212222122 its reverse (22122221222211), we get a palindrome (33344433444333).

The spelling of 11222212222122 in words is "eleven trillion, two hundred twenty-two billion, two hundred twelve million, two hundred twenty-two thousand, one hundred twenty-two".