2021332043242 has 8 divisors (see below), whose sum is σ = 3045354885216. Its totient is φ = 1006213748172.

The previous prime is 2021332043239. The next prime is 2021332043273. The reversal of 2021332043242 is 2423402331202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2021332043242.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2226136158 + ... + 2226137065.

It is an arithmetic number, because the mean of its divisors is an integer number (380669360652).

Almost surely, 2^{2021332043242} is an apocalyptic number.

2021332043242 is a deficient number, since it is larger than the sum of its proper divisors (1024022841974).

2021332043242 is a wasteful number, since it uses less digits than its factorization.

2021332043242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4452273452.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 2021332043242 its reverse (2423402331202), we get a palindrome (4444734374444).

The spelling of 2021332043242 in words is "two trillion, twenty-one billion, three hundred thirty-two million, forty-three thousand, two hundred forty-two".