220001121220112 has 20 divisors (see below), whose sum is σ = 426252873923820. Its totient is φ = 110000379562368.

The previous prime is 220001121220099. The next prime is 220001121220169. The reversal of 220001121220112 is 211022121100022.

It can be written as a sum of positive squares in 2 ways, for example, as 178897687069696 + 41103434150416 = 13375264^2 + 6411196^2 .

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 3 ways as a sum of consecutive naturals, for example, 1005803 + ... + 21000330.

It is an arithmetic number, because the mean of its divisors is an integer number (21312643696191).

Almost surely, 2^{220001121220112} is an apocalyptic number.

It is an amenable number.

220001121220112 is a deficient number, since it is larger than the sum of its proper divisors (206251752703708).

220001121220112 is a wasteful number, since it uses less digits than its factorization.

220001121220112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22630970 (or 22630964 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 220001121220112 its reverse (211022121100022), we get a palindrome (431023242320134).

The spelling of 220001121220112 in words is "two hundred twenty trillion, one billion, one hundred twenty-one million, two hundred twenty thousand, one hundred twelve".