220002212122 has 16 divisors (see below), whose sum is σ = 411432708672. Its totient is φ = 85715147520.

The previous prime is 220002212119. The next prime is 220002212123. The reversal of 220002212122 is 221212200022.

220002212122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 220002212096 and 220002212105.

It is not an unprimeable number, because it can be changed into a prime (220002212123) by changing a digit.

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, 714292743 + ... + 714293050.

It is an arithmetic number, because the mean of its divisors is an integer number (25714544292).

Almost surely, 2^220002212122 is an apocalyptic number.

220002212122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

220002212122 is a deficient number, since it is larger than the sum of its proper divisors (191430496550).

220002212122 is a wasteful number, since it uses less digits than its factorization.

220002212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1428585813.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 220002212122 its reverse (221212200022), we get a palindrome (441214412144).

The spelling of 220002212122 in words is "two hundred twenty billion, two million, two hundred twelve thousand, one hundred twenty-two".