221222331330104 has 64 divisors (see below), whose sum is σ = 451657517875200. Its totient is φ = 100970873524224.

The previous prime is 221222331330103. The next prime is 221222331330113. The reversal of 221222331330104 is 401033133222122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221222331330101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4296137 + ... + 21468615.

It is an arithmetic number, because the mean of its divisors is an integer number (7057148716800).

Almost surely, 2^{221222331330104} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 221222331330104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225828758937600).

221222331330104 is an abundant number, since it is smaller than the sum of its proper divisors (230435186545096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221222331330104 is a wasteful number, since it uses less digits than its factorization.

221222331330104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17173872 (or 17173868 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 221222331330104 its reverse (401033133222122), we get a palindrome (622255464552226).

The spelling of 221222331330104 in words is "two hundred twenty-one trillion, two hundred twenty-two billion, three hundred thirty-one million, three hundred thirty thousand, one hundred four".