221241214123442 has 24 divisors (see below), whose sum is σ = 337602254376000. Its totient is φ = 108739135379448.

The previous prime is 221241214123439. The next prime is 221241214123453. The reversal of 221241214123442 is 244321412142122.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 115728059 + ... + 117624257.

It is an arithmetic number, because the mean of its divisors is an integer number (14066760599000).

Almost surely, 2^{221241214123442} is an apocalyptic number.

221241214123442 is a deficient number, since it is larger than the sum of its proper divisors (116361040252558).

221241214123442 is a wasteful number, since it uses less digits than its factorization.

221241214123442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1913078 (or 1913019 counting only the distinct ones).

The product of its digits is 49152, while the sum is 35.

Adding to 221241214123442 its reverse (244321412142122), we get a palindrome (465562626265564).

The spelling of 221241214123442 in words is "two hundred twenty-one trillion, two hundred forty-one billion, two hundred fourteen million, one hundred twenty-three thousand, four hundred forty-two".