220002202212122 has 12 divisors (see below), whose sum is σ = 362730903647658. Its totient is φ = 100001001005400.

The previous prime is 220002202212113. The next prime is 220002202212127. The reversal of 220002202212122 is 221212202200022.

It can be written as a sum of positive squares in only one way, i.e., 182543040700801 + 37459161511321 = 13510849^2 + 6120389^2 .

It is a junction number, because it is equal to n+sod(n) for n = 220002202212094 and 220002202212103.

It is not an unprimeable number, because it can be changed into a prime (220002202212127) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 454550004329 + ... + 454550004812.

Almost surely, 2^{220002202212122} is an apocalyptic number.

220002202212122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

220002202212122 is a deficient number, since it is larger than the sum of its proper divisors (142728701435536).

220002202212122 is a wasteful number, since it uses less digits than its factorization.

220002202212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909100009165 (or 909100009154 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 220002202212122 its reverse (221212202200022), we get a palindrome (441214404412144).

The spelling of 220002202212122 in words is "two hundred twenty trillion, two billion, two hundred two million, two hundred twelve thousand, one hundred twenty-two".