11021122221222 has 32 divisors (see below), whose sum is σ = 22323284121600. Its totient is φ = 3626875893888.

The previous prime is 11021122221209. The next prime is 11021122221257. The reversal of 11021122221222 is 22212222112011.

It is a super-2 number, since 2×11021122221222² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4206654 + ... + 6303822.

It is an arithmetic number, because the mean of its divisors is an integer number (697602628800).

Almost surely, 2^{11021122221222} is an apocalyptic number.

11021122221222 is an abundant number, since it is smaller than the sum of its proper divisors (11302161900378).

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

11021122221222 is a wasteful number, since it uses less digits than its factorization.

11021122221222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2108340.

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

Adding to 11021122221222 its reverse (22212222112011), we get a palindrome (33233344333233).

The spelling of 11021122221222 in words is "eleven trillion, twenty-one billion, one hundred twenty-two million, two hundred twenty-one thousand, two hundred twenty-two".