11220222012222 has 32 divisors (see below), whose sum is σ = 23216620672800. Its totient is φ = 3610737543168.

The previous prime is 11220222012121. The next prime is 11220222012227. The reversal of 11220222012222 is 22221022202211.

It is a super-2 number, since 2×11220222012222² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220222012227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1576147 + ... + 4992462.

It is an arithmetic number, because the mean of its divisors is an integer number (725519396025).

Almost surely, 2^{11220222012222} is an apocalyptic number.

11220222012222 is an abundant number, since it is smaller than the sum of its proper divisors (11996398660578).

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

11220222012222 is a wasteful number, since it uses less digits than its factorization.

11220222012222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6578460.

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

Adding to 11220222012222 its reverse (22221022202211), we get a palindrome (33441244214433).

The spelling of 11220222012222 in words is "eleven trillion, two hundred twenty billion, two hundred twenty-two million, twelve thousand, two hundred twenty-two".