221323331020110 has 256 divisors, whose sum is σ = 598922535518208. Its totient is φ = 51877861056000.

The previous prime is 221323331020021. The next prime is 221323331020133. The reversal of 221323331020110 is 11020133323122.

It is a congruent number.

It is an unprimeable number.

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 127 ways as a sum of consecutive naturals, for example, 10300325787 + ... + 10300347273.

It is an arithmetic number, because the mean of its divisors is an integer number (2339541154368).

Almost surely, 2^{221323331020110} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 221323331020110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (299461267759104).

221323331020110 is an abundant number, since it is smaller than the sum of its proper divisors (377599204498098).

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

221323331020110 is a wasteful number, since it uses less digits than its factorization.

221323331020110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28839.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 221323331020110 its reverse (11020133323122), we get a palindrome (232343464343232).

The spelling of 221323331020110 in words is "two hundred twenty-one trillion, three hundred twenty-three billion, three hundred thirty-one million, twenty thousand, one hundred ten".