11220111321222 has 16 divisors (see below), whose sum is σ = 22440261654000. Its totient is φ = 3740030605152.

The previous prime is 11220111321203. The next prime is 11220111321323. The reversal of 11220111321222 is 22212311102211.

11220111321222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11220111321222² (a number of 27 digits) contains 22 as substring.

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, 3228388 + ... + 5732600.

It is an arithmetic number, because the mean of its divisors is an integer number (1402516353375).

Almost surely, 2^{11220111321222} is an apocalyptic number.

11220111321222 is an abundant number, since it is smaller than the sum of its proper divisors (11220150332778).

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

11220111321222 is a wasteful number, since it uses less digits than its factorization.

11220111321222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3250967.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 11220111321222 its reverse (22212311102211), we get a palindrome (33432422423433).

The spelling of 11220111321222 in words is "eleven trillion, two hundred twenty billion, one hundred eleven million, three hundred twenty-one thousand, two hundred twenty-two".