220002111021222 has 48 divisors (see below), whose sum is σ = 477961536452400. Its totient is φ = 73135540115136.

The previous prime is 220002111021221. The next prime is 220002111021229. The reversal of 220002111021222 is 222120111200022.

It is a happy number.

220002111021222 is a `hidden beast` number, since 2 + 200 + 0 + 211 + 10 + 21 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 220002111021195 and 220002111021204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220002111021221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 272366404 + ... + 273172952.

It is an arithmetic number, because the mean of its divisors is an integer number (9957532009425).

Almost surely, 2^{220002111021222} is an apocalyptic number.

220002111021222 is an abundant number, since it is smaller than the sum of its proper divisors (257959425431178).

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

220002111021222 is a wasteful number, since it uses less digits than its factorization.

220002111021222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847557 (or 847554 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 220002111021222 its reverse (222120111200022), we get a palindrome (442122222221244).

The spelling of 220002111021222 in words is "two hundred twenty trillion, two billion, one hundred eleven million, twenty-one thousand, two hundred twenty-two".