221322104180 has 96 divisors (see below), whose sum is σ = 481061306880. Its totient is φ = 85484574720.

The previous prime is 221322104177. The next prime is 221322104189. The reversal of 221322104180 is 81401223122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221322104189) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24688379 + ... + 24697341.

It is an arithmetic number, because the mean of its divisors is an integer number (5011055280).

Almost surely, 2^221322104180 is an apocalyptic number.

221322104180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221322104180 is an abundant number, since it is smaller than the sum of its proper divisors (259739202700).

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

221322104180 is a wasteful number, since it uses less digits than its factorization.

221322104180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9369 (or 9367 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The spelling of 221322104180 in words is "two hundred twenty-one billion, three hundred twenty-two million, one hundred four thousand, one hundred eighty".