220112121021222 has 64 divisors (see below), whose sum is σ = 463437410342400. Its totient is φ = 69558435792384.

The previous prime is 220112121021157. The next prime is 220112121021223. The reversal of 220112121021222 is 222120121211022.

It is a super-2 number, since 2×220112121021222² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220112121021223) 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 31 ways as a sum of consecutive naturals, for example, 1758737904 + ... + 1758863052.

It is an arithmetic number, because the mean of its divisors is an integer number (7241209536600).

Almost surely, 2^{220112121021222} is an apocalyptic number.

220112121021222 is an abundant number, since it is smaller than the sum of its proper divisors (243325289321178).

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

220112121021222 is a wasteful number, since it uses less digits than its factorization.

220112121021222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238077.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 220112121021222 its reverse (222120121211022), we get a palindrome (442232242232244).

The spelling of 220112121021222 in words is "two hundred twenty trillion, one hundred twelve billion, one hundred twenty-one million, twenty-one thousand, two hundred twenty-two".