222122100122 has 64 divisors (see below), whose sum is σ = 381877493760. Its totient is φ = 96115445184.

The previous prime is 222122100107. The next prime is 222122100199. The reversal of 222122100122 is 221001221222.

It is a happy number.

222122100122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 222122100122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12233783 + ... + 12251925.

It is an arithmetic number, because the mean of its divisors is an integer number (5966835840).

Almost surely, 2^222122100122 is an apocalyptic number.

222122100122 is a deficient number, since it is larger than the sum of its proper divisors (159755393638).

222122100122 is a wasteful number, since it uses less digits than its factorization.

222122100122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18587.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 222122100122 its reverse (221001221222), we get a palindrome (443123321344).

The spelling of 222122100122 in words is "two hundred twenty-two billion, one hundred twenty-two million, one hundred thousand, one hundred twenty-two".