142222220122 has 16 divisors (see below), whose sum is σ = 214253945640. Its totient is φ = 70804553728.

The previous prime is 142222220087. The next prime is 142222220159. The reversal of 142222220122 is 221022222241.

142222220122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 121054589041 + 21167631081 = 347929^2 + 145491^2 .

It is a junction number, because it is equal to n+sod(n) for n = 142222220093 and 142222220102.

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 7 ways as a sum of consecutive naturals, for example, 835098 + ... + 990874.

Almost surely, 2^142222220122 is an apocalyptic number.

142222220122 is a deficient number, since it is larger than the sum of its proper divisors (72031725518).

142222220122 is a wasteful number, since it uses less digits than its factorization.

142222220122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157745.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 142222220122 its reverse (221022222241), we get a palindrome (363244442363).

The spelling of 142222220122 in words is "one hundred forty-two billion, two hundred twenty-two million, two hundred twenty thousand, one hundred twenty-two".