11220202122222 has 32 divisors (see below), whose sum is σ = 23047420470912. Its totient is φ = 3638902554144.

The previous prime is 11220202122211. The next prime is 11220202122223. The reversal of 11220202122222 is 22222120202211.

11220202122222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220202122223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9734433 + ... + 10825875.

It is an arithmetic number, because the mean of its divisors is an integer number (720231889716).

Almost surely, 2^{11220202122222} is an apocalyptic number.

11220202122222 is an abundant number, since it is smaller than the sum of its proper divisors (11827218348690).

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

11220202122222 is a wasteful number, since it uses less digits than its factorization.

11220202122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137792.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 11220202122222 its reverse (22222120202211), we get a palindrome (33442322324433).

The spelling of 11220202122222 in words is "eleven trillion, two hundred twenty billion, two hundred two million, one hundred twenty-two thousand, two hundred twenty-two".