990222221022122 has 32 divisors (see below), whose sum is σ = 1645892719386624. Its totient is φ = 443030484884400.

The previous prime is 990222221022119. The next prime is 990222221022131. The reversal of 990222221022122 is 221220122222099.

990222221022122 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 15 ways as a sum of consecutive naturals, for example, 521247158 + ... + 523143425.

It is an arithmetic number, because the mean of its divisors is an integer number (51434147480832).

Almost surely, 2^{990222221022122} is an apocalyptic number.

990222221022122 is a deficient number, since it is larger than the sum of its proper divisors (655670498364502).

990222221022122 is a wasteful number, since it uses less digits than its factorization.

990222221022122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044391274.

The product of its (nonzero) digits is 41472, while the sum is 38.

The spelling of 990222221022122 in words is "nine hundred ninety trillion, two hundred twenty-two billion, two hundred twenty-one million, twenty-two thousand, one hundred twenty-two".