221200120112 has 40 divisors (see below), whose sum is σ = 433481764320. Its totient is φ = 109334382080.

The previous prime is 221200120111. The next prime is 221200120117. The reversal of 221200120112 is 211021002122.

It is not an unprimeable number, because it can be changed into a prime (221200120111) by changing a digit.

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, 8221562 + ... + 8248422.

It is an arithmetic number, because the mean of its divisors is an integer number (10837044108).

Almost surely, 2^221200120112 is an apocalyptic number.

It is an amenable number.

221200120112 is a deficient number, since it is larger than the sum of its proper divisors (212281644208).

221200120112 is a wasteful number, since it uses less digits than its factorization.

221200120112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32741 (or 32735 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 221200120112 its reverse (211021002122), we get a palindrome (432221122234).

The spelling of 221200120112 in words is "two hundred twenty-one billion, two hundred million, one hundred twenty thousand, one hundred twelve".