2042243214321 has 4 divisors (see below), whose sum is σ = 2722990952432. Its totient is φ = 1361495476212.

The previous prime is 2042243214299. The next prime is 2042243214329. The reversal of 2042243214321 is 1234123422402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2042243214321 - 2⁶ = 2042243214257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2042243214329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340373869051 + ... + 340373869056.

It is an arithmetic number, because the mean of its divisors is an integer number (680747738108).

Almost surely, 2^{2042243214321} is an apocalyptic number.

It is an amenable number.

2042243214321 is a deficient number, since it is larger than the sum of its proper divisors (680747738111).

2042243214321 is an equidigital number, since it uses as much as digits as its factorization.

2042243214321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680747738110.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 2042243214321 its reverse (1234123422402), we get a palindrome (3276366636723).

The spelling of 2042243214321 in words is "two trillion, forty-two billion, two hundred forty-three million, two hundred fourteen thousand, three hundred twenty-one".