11122201112222 has 48 divisors (see below), whose sum is σ = 17304737909760. Its totient is φ = 5359815333600.

The previous prime is 11122201112213. The next prime is 11122201112287. The reversal of 11122201112222 is 22221110222111.

It is a junction number, because it is equal to n+sod(n) for n = 11122201112194 and 11122201112203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 487569197 + ... + 487592007.

It is an arithmetic number, because the mean of its divisors is an integer number (360515373120).

Almost surely, 2^{11122201112222} is an apocalyptic number.

11122201112222 is a deficient number, since it is larger than the sum of its proper divisors (6182536797538).

11122201112222 is a wasteful number, since it uses less digits than its factorization.

11122201112222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24449 (or 24396 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 11122201112222 its reverse (22221110222111), we get a palindrome (33343311334333).

The spelling of 11122201112222 in words is "eleven trillion, one hundred twenty-two billion, two hundred one million, one hundred twelve thousand, two hundred twenty-two".