221011222110104 has 8 divisors (see below), whose sum is σ = 414396041456460. Its totient is φ = 110505611055048.

The previous prime is 221011222110083. The next prime is 221011222110113. The reversal of 221011222110104 is 401011222110122.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13813201381874 + ... + 13813201381889.

Almost surely, 2^{221011222110104} is an apocalyptic number.

It is an amenable number.

221011222110104 is a deficient number, since it is larger than the sum of its proper divisors (193384819346356).

221011222110104 is a wasteful number, since it uses less digits than its factorization.

221011222110104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27626402763769 (or 27626402763765 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 221011222110104 its reverse (401011222110122), we get a palindrome (622022444220226).

The spelling of 221011222110104 in words is "two hundred twenty-one trillion, eleven billion, two hundred twenty-two million, one hundred ten thousand, one hundred four".