221120000122 has 16 divisors (see below), whose sum is σ = 386214988032. Its totient is φ = 92977681680.

The previous prime is 221120000111. The next prime is 221120000131. The reversal of 221120000122 is 221000021122.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 149001954 + ... + 149003437.

It is an arithmetic number, because the mean of its divisors is an integer number (24138436752).

Almost surely, 2^221120000122 is an apocalyptic number.

221120000122 is a deficient number, since it is larger than the sum of its proper divisors (165094987910).

221120000122 is a wasteful number, since it uses less digits than its factorization.

221120000122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298005453.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 221120000122 its reverse (221000021122), we get a palindrome (442120021244).

The spelling of 221120000122 in words is "two hundred twenty-one billion, one hundred twenty million, one hundred twenty-two", and thus it is an aban number.