11220212111222 has 64 divisors (see below), whose sum is σ = 17999195155200. Its totient is φ = 5230624636800.

The previous prime is 11220212111191. The next prime is 11220212111237. The reversal of 11220212111222 is 22211121202211.

11220212111222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11220212111194 and 11220212111203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 560188304 + ... + 560208332.

It is an arithmetic number, because the mean of its divisors is an integer number (281237424300).

Almost surely, 2^{11220212111222} is an apocalyptic number.

11220212111222 is a deficient number, since it is larger than the sum of its proper divisors (6778983043978).

11220212111222 is a wasteful number, since it uses less digits than its factorization.

11220212111222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21021.

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

Adding to 11220212111222 its reverse (22211121202211), we get a palindrome (33431333313433).

The spelling of 11220212111222 in words is "eleven trillion, two hundred twenty billion, two hundred twelve million, one hundred eleven thousand, two hundred twenty-two".