221530052224042 has 8 divisors (see below), whose sum is σ = 338564796795396. Its totient is φ = 108675119958912.

The previous prime is 221530052224027. The next prime is 221530052224111. The reversal of 221530052224042 is 240422250035122.

221530052224042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 202206722043481 + 19323330180561 = 14219941^2 + 4395831^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 221530052223989 and 221530052224007.

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, 1044953076423 + ... + 1044953076634.

Almost surely, 2^{221530052224042} is an apocalyptic number.

221530052224042 is a deficient number, since it is larger than the sum of its proper divisors (117034744571354).

221530052224042 is a wasteful number, since it uses less digits than its factorization.

221530052224042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2089906153112.

The product of its (nonzero) digits is 76800, while the sum is 34.

The spelling of 221530052224042 in words is "two hundred twenty-one trillion, five hundred thirty billion, fifty-two million, two hundred twenty-four thousand, forty-two".