2121446142 has 12 divisors (see below), whose sum is σ = 4596466680. Its totient is φ = 707148708.

The previous prime is 2121446137. The next prime is 2121446161. The reversal of 2121446142 is 2416441212.

2121446142 is a `hidden beast` number, since 2 + 1 + 2 + 1 + 44 + 614 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58929042 + ... + 58929077.

It is an arithmetic number, because the mean of its divisors is an integer number (383038890).

Almost surely, 2^2121446142 is an apocalyptic number.

2121446142 is an abundant number, since it is smaller than the sum of its proper divisors (2475020538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2121446142 is a wasteful number, since it uses less digits than its factorization.

2121446142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117858127 (or 117858124 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The square root of 2121446142 is about 46059.1591542877. The cubic root of 2121446142 is about 1284.9236919162.

Adding to 2121446142 its reverse (2416441212), we get a palindrome (4537887354).

The spelling of 2121446142 in words is "two billion, one hundred twenty-one million, four hundred forty-six thousand, one hundred forty-two".