220112021221012 has 48 divisors (see below), whose sum is σ = 391506347490048. Its totient is φ = 108260271786240.

The previous prime is 220112021221007. The next prime is 220112021221031. The reversal of 220112021221012 is 210122120211022.

It is a super-3 number, since 3×220112021221012³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 337722193 + ... + 338373319.

It is an arithmetic number, because the mean of its divisors is an integer number (8156382239376).

Almost surely, 2^{220112021221012} is an apocalyptic number.

It is an amenable number.

220112021221012 is a deficient number, since it is larger than the sum of its proper divisors (171394326269036).

220112021221012 is a wasteful number, since it uses less digits than its factorization.

220112021221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653896 (or 653894 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 220112021221012 its reverse (210122120211022), we get a palindrome (430234141432034).

The spelling of 220112021221012 in words is "two hundred twenty trillion, one hundred twelve billion, twenty-one million, two hundred twenty-one thousand, twelve".