2121367142 has 16 divisors (see below), whose sum is σ = 3401389152. Its totient is φ = 989820480.

The previous prime is 2121367123. The next prime is 2121367147. The reversal of 2121367142 is 2417631212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121367147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 560513 + ... + 564284.

It is an arithmetic number, because the mean of its divisors is an integer number (212586822).

Almost surely, 2^2121367142 is an apocalyptic number.

2121367142 is a deficient number, since it is larger than the sum of its proper divisors (1280022010).

2121367142 is a wasteful number, since it uses less digits than its factorization.

2121367142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1124863.

The product of its digits is 4032, while the sum is 29.

The square root of 2121367142 is about 46058.3015535745. The cubic root of 2121367142 is about 1284.9077420680.

Adding to 2121367142 its reverse (2417631212), we get a palindrome (4538998354).

The spelling of 2121367142 in words is "two billion, one hundred twenty-one million, three hundred sixty-seven thousand, one hundred forty-two".