221102010344 has 8 divisors (see below), whose sum is σ = 414566269410. Its totient is φ = 110551005168.

The previous prime is 221102010341. The next prime is 221102010373. The reversal of 221102010344 is 443010201122.

It can be written as a sum of positive squares in only one way, i.e., 156865107844 + 64236902500 = 396062^2 + 253450^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (221102010341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13818875639 + ... + 13818875654.

Almost surely, 2^221102010344 is an apocalyptic number.

It is an amenable number.

221102010344 is a deficient number, since it is larger than the sum of its proper divisors (193464259066).

221102010344 is a wasteful number, since it uses less digits than its factorization.

221102010344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27637751299 (or 27637751295 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 221102010344 its reverse (443010201122), we get a palindrome (664112211466).

The spelling of 221102010344 in words is "two hundred twenty-one billion, one hundred two million, ten thousand, three hundred forty-four".