222001220122 has 32 divisors (see below), whose sum is σ = 364970188800. Its totient is φ = 100439094000.

The previous prime is 222001220113. The next prime is 222001220143. The reversal of 222001220122 is 221022100222.

222001220122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 222001220096 and 222001220105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12352579 + ... + 12370537.

It is an arithmetic number, because the mean of its divisors is an integer number (11405318400).

Almost surely, 2^222001220122 is an apocalyptic number.

222001220122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

222001220122 is a deficient number, since it is larger than the sum of its proper divisors (142968968678).

222001220122 is a wasteful number, since it uses less digits than its factorization.

222001220122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20562.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 222001220122 its reverse (221022100222), we get a palindrome (443023320344).

The spelling of 222001220122 in words is "two hundred twenty-two billion, one million, two hundred twenty thousand, one hundred twenty-two".