220212221122 has 16 divisors (see below), whose sum is σ = 349758138240. Its totient is φ = 103626520128.

The previous prime is 220212221077. The next prime is 220212221149. The reversal of 220212221122 is 221122212022.

220212221122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 220212221122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1818379 + ... + 1935697.

It is an arithmetic number, because the mean of its divisors is an integer number (21859883640).

Almost surely, 2^220212221122 is an apocalyptic number.

220212221122 is a deficient number, since it is larger than the sum of its proper divisors (129545917118).

220212221122 is a wasteful number, since it uses less digits than its factorization.

220212221122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172545.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 220212221122 its reverse (221122212022), we get a palindrome (441334433144).

The spelling of 220212221122 in words is "two hundred twenty billion, two hundred twelve million, two hundred twenty-one thousand, one hundred twenty-two".