242021214144442 has 4 divisors (see below), whose sum is σ = 363031821216666. Its totient is φ = 121010607072220.

The previous prime is 242021214144407. The next prime is 242021214144511. The reversal of 242021214144442 is 244441412120242.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 124260714378441 + 117760499766001 = 11147229^2 + 10851751^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60505303536109 + ... + 60505303536112.

Almost surely, 2^{242021214144442} is an apocalyptic number.

242021214144442 is a deficient number, since it is larger than the sum of its proper divisors (121010607072224).

242021214144442 is a wasteful number, since it uses less digits than its factorization.

242021214144442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121010607072223.

The product of its (nonzero) digits is 131072, while the sum is 37.

Adding to 242021214144442 its reverse (244441412120242), we get a palindrome (486462626264684).

The spelling of 242021214144442 in words is "two hundred forty-two trillion, twenty-one billion, two hundred fourteen million, one hundred forty-four thousand, four hundred forty-two".