11222101122222 has 16 divisors (see below), whose sum is σ = 22527637943760. Its totient is φ = 3726794424192.

The previous prime is 11222101122163. The next prime is 11222101122257. The reversal of 11222101122222 is 22222110122211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3476485723 + ... + 3476488950.

It is an arithmetic number, because the mean of its divisors is an integer number (1407977371485).

Almost surely, 2^{11222101122222} is an apocalyptic number.

11222101122222 is an abundant number, since it is smaller than the sum of its proper divisors (11305536821538).

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

11222101122222 is a wasteful number, since it uses less digits than its factorization.

11222101122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6952974947.

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

Adding to 11222101122222 its reverse (22222110122211), we get a palindrome (33444211244433).

The spelling of 11222101122222 in words is "eleven trillion, two hundred twenty-two billion, one hundred one million, one hundred twenty-two thousand, two hundred twenty-two".