142224422121 has 48 divisors (see below), whose sum is σ = 216094334976. Its totient is φ = 89965310688.

The previous prime is 142224422113. The next prime is 142224422129. The reversal of 142224422121 is 121224422241.

142224422121 is a `hidden beast` number, since 1 + 4 + 2 + 2 + 2 + 442 + 212 + 1 = 666.

142224422121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (142224422113) and next prime (142224422129).

It is not a de Polignac number, because 142224422121 - 2³ = 142224422113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142224422129) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 18992440 + ... + 18999926.

It is an arithmetic number, because the mean of its divisors is an integer number (4501965312).

Almost surely, 2^142224422121 is an apocalyptic number.

It is an amenable number.

142224422121 is a deficient number, since it is larger than the sum of its proper divisors (73869912855).

142224422121 is a wasteful number, since it uses less digits than its factorization.

142224422121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8242 (or 8239 counting only the distinct ones).

The product of its digits is 4096, while the sum is 27.

Adding to 142224422121 its reverse (121224422241), we get a palindrome (263448844362).

The spelling of 142224422121 in words is "one hundred forty-two billion, two hundred twenty-four million, four hundred twenty-two thousand, one hundred twenty-one".