11122012122222 has 32 divisors (see below), whose sum is σ = 22357453140000. Its totient is φ = 3688433426048.

The previous prime is 11122012122217. The next prime is 11122012122293. The reversal of 11122012122222 is 22222121022111.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70875904 + ... + 71032652.

It is an arithmetic number, because the mean of its divisors is an integer number (698670410625).

Almost surely, 2^{11122012122222} is an apocalyptic number.

11122012122222 is an abundant number, since it is smaller than the sum of its proper divisors (11235441017778).

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

11122012122222 is a wasteful number, since it uses less digits than its factorization.

11122012122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216980.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 11122012122222 its reverse (22222121022111), we get a palindrome (33344133144333).

The spelling of 11122012122222 in words is "eleven trillion, one hundred twenty-two billion, twelve million, one hundred twenty-two thousand, two hundred twenty-two".