2121322254142 has 64 divisors (see below), whose sum is σ = 4089221498880. Its totient is φ = 802194585984.

The previous prime is 2121322254097. The next prime is 2121322254151. The reversal of 2121322254142 is 2414522231212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6294784 + ... + 6623212.

It is an arithmetic number, because the mean of its divisors is an integer number (63894085920).

Almost surely, 2^{2121322254142} is an apocalyptic number.

2121322254142 is a deficient number, since it is larger than the sum of its proper divisors (1967899244738).

2121322254142 is a wasteful number, since it uses less digits than its factorization.

2121322254142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330017.

The product of its digits is 15360, while the sum is 31.

Adding to 2121322254142 its reverse (2414522231212), we get a palindrome (4535844485354).

The spelling of 2121322254142 in words is "two trillion, one hundred twenty-one billion, three hundred twenty-two million, two hundred fifty-four thousand, one hundred forty-two".