11122212012222 has 16 divisors (see below), whose sum is σ = 23211572895360. Its totient is φ = 3546212525592.

The previous prime is 11122212012221. The next prime is 11122212012227. The reversal of 11122212012222 is 22221021222111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11122212012221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40297869472 + ... + 40297869747.

It is an arithmetic number, because the mean of its divisors is an integer number (1450723305960).

Almost surely, 2^{11122212012222} is an apocalyptic number.

11122212012222 is an abundant number, since it is smaller than the sum of its proper divisors (12089360883138).

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

11122212012222 is a wasteful number, since it uses less digits than its factorization.

11122212012222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80595739247.

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

Adding to 11122212012222 its reverse (22221021222111), we get a palindrome (33343233234333).

The spelling of 11122212012222 in words is "eleven trillion, one hundred twenty-two billion, two hundred twelve million, twelve thousand, two hundred twenty-two".