221104033340 has 48 divisors (see below), whose sum is σ = 466936565760. Its totient is φ = 87943302720.

The previous prime is 221104033327. The next prime is 221104033349. The reversal of 221104033340 is 43330401122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221104033349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10850081 + ... + 10870439.

It is an arithmetic number, because the mean of its divisors is an integer number (9727845120).

Almost surely, 2^221104033340 is an apocalyptic number.

221104033340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221104033340 is an abundant number, since it is smaller than the sum of its proper divisors (245832532420).

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

221104033340 is a wasteful number, since it uses less digits than its factorization.

221104033340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23402 (or 23400 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 221104033340 its reverse (43330401122), we get a palindrome (264434434462).

The spelling of 221104033340 in words is "two hundred twenty-one billion, one hundred four million, thirty-three thousand, three hundred forty".