220000121112 has 32 divisors (see below), whose sum is σ = 550051631280. Its totient is φ = 73326529920.

The previous prime is 220000121063. The next prime is 220000121147. The reversal of 220000121112 is 211121000022.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161839 + ... + 682782.

Almost surely, 2^220000121112 is an apocalyptic number.

It is an amenable number.

220000121112 is an abundant number, since it is smaller than the sum of its proper divisors (330051510168).

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

220000121112 is a wasteful number, since it uses less digits than its factorization.

220000121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855483 (or 855479 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 220000121112 its reverse (211121000022), we get a palindrome (431121121134).

The spelling of 220000121112 in words is "two hundred twenty billion, one hundred twenty-one thousand, one hundred twelve".