221000000221110 has 32 divisors (see below), whose sum is σ = 578618182397952. Its totient is φ = 53575757629280.

The previous prime is 221000000221093. The next prime is 221000000221123. The reversal of 221000000221110 is 11122000000122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 334848484854 + ... + 334848485513.

It is an arithmetic number, because the mean of its divisors is an integer number (18081818199936).

Almost surely, 2^{221000000221110} is an apocalyptic number.

221000000221110 is an abundant number, since it is smaller than the sum of its proper divisors (357618182176842).

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

221000000221110 is a wasteful number, since it uses less digits than its factorization.

221000000221110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669696970388.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 221000000221110 its reverse (11122000000122), we get a palindrome (232122000221232).

The spelling of 221000000221110 in words is "two hundred twenty-one trillion, two hundred twenty-one thousand, one hundred ten".