220002021122 has 16 divisors (see below), whose sum is σ = 355559735160. Its totient is φ = 101490292992.

The previous prime is 220002021091. The next prime is 220002021157. The reversal of 220002021122 is 221120200022.

It can be written as a sum of positive squares in 4 ways, for example, as 95795821081 + 124206200041 = 309509^2 + 352429^2 .

It is a junction number, because it is equal to n+sod(n) for n = 220002021097 and 220002021106.

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 7 ways as a sum of consecutive naturals, for example, 1991063 + ... + 2098650.

Almost surely, 2^220002021122 is an apocalyptic number.

220002021122 is a deficient number, since it is larger than the sum of its proper divisors (135557714038).

220002021122 is a wasteful number, since it uses less digits than its factorization.

220002021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4091797.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 220002021122 its reverse (221120200022), we get a palindrome (441122221144).

The spelling of 220002021122 in words is "two hundred twenty billion, two million, twenty-one thousand, one hundred twenty-two".