11012211222222 has 16 divisors (see below), whose sum is σ = 25170768508032. Its totient is φ = 3146346063480.

The previous prime is 11012211222211. The next prime is 11012211222227. The reversal of 11012211222222 is 22222211221011.

11012211222222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012211222227) 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, 131097752604 + ... + 131097752687.

It is an arithmetic number, because the mean of its divisors is an integer number (1573173031752).

Almost surely, 2^{11012211222222} is an apocalyptic number.

11012211222222 is an abundant number, since it is smaller than the sum of its proper divisors (14158557285810).

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

11012211222222 is a wasteful number, since it uses less digits than its factorization.

11012211222222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262195505303.

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

Adding to 11012211222222 its reverse (22222211221011), we get a palindrome (33234422443233).

The spelling of 11012211222222 in words is "eleven trillion, twelve billion, two hundred eleven million, two hundred twenty-two thousand, two hundred twenty-two".