142334222121 has 24 divisors (see below), whose sum is σ = 253038618560. Its totient is φ = 75077391456.

The previous prime is 142334222119. The next prime is 142334222141. The reversal of 142334222121 is 121222433241.

142334222121 is a `hidden beast` number, since 1 + 4 + 23 + 3 + 422 + 212 + 1 = 666.

It is not a de Polignac number, because 142334222121 - 2¹ = 142334222119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142334222111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86894311 + ... + 86895948.

Almost surely, 2^142334222121 is an apocalyptic number.

It is an amenable number.

142334222121 is a deficient number, since it is larger than the sum of its proper divisors (110704396439).

142334222121 is a wasteful number, since it uses less digits than its factorization.

142334222121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173790285 (or 173790282 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

Adding to 142334222121 its reverse (121222433241), we get a palindrome (263556655362).

The spelling of 142334222121 in words is "one hundred forty-two billion, three hundred thirty-four million, two hundred twenty-two thousand, one hundred twenty-one".