222221200122122 has 16 divisors (see below), whose sum is σ = 334149871476480. Its totient is φ = 110837914637472.

The previous prime is 222221200122043. The next prime is 222221200122137. The reversal of 222221200122122 is 221221002122222.

222221200122122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91797863 + ... + 94187525.

It is an arithmetic number, because the mean of its divisors is an integer number (20884366967280).

Almost surely, 2^{222221200122122} is an apocalyptic number.

222221200122122 is a deficient number, since it is larger than the sum of its proper divisors (111928671354358).

222221200122122 is a wasteful number, since it uses less digits than its factorization.

222221200122122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2503757.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 222221200122122 its reverse (221221002122222), we get a palindrome (443442202244344).

The spelling of 222221200122122 in words is "two hundred twenty-two trillion, two hundred twenty-one billion, two hundred million, one hundred twenty-two thousand, one hundred twenty-two".