221441310242 has 32 divisors (see below), whose sum is σ = 367198354944. Its totient is φ = 99620928000.

The previous prime is 221441310229. The next prime is 221441310287. The reversal of 221441310242 is 242013144122.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1329767 + ... + 1486997.

It is an arithmetic number, because the mean of its divisors is an integer number (11474948592).

Almost surely, 2^221441310242 is an apocalyptic number.

221441310242 is a deficient number, since it is larger than the sum of its proper divisors (145757044702).

221441310242 is a wasteful number, since it uses less digits than its factorization.

221441310242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159074.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 221441310242 its reverse (242013144122), we get a palindrome (463454454364).

The spelling of 221441310242 in words is "two hundred twenty-one billion, four hundred forty-one million, three hundred ten thousand, two hundred forty-two".