221022443111204 has 48 divisors (see below), whose sum is σ = 468082952451072. Its totient is φ = 89145162043392.

The previous prime is 221022443111167. The next prime is 221022443111233. The reversal of 221022443111204 is 402111344220122.

It is a super-3 number, since 3×221022443111204³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 11274452 + ... + 23857035.

It is an arithmetic number, because the mean of its divisors is an integer number (9751728176064).

Almost surely, 2^{221022443111204} is an apocalyptic number.

It is an amenable number.

221022443111204 is an abundant number, since it is smaller than the sum of its proper divisors (247060509339868).

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

221022443111204 is a wasteful number, since it uses less digits than its factorization.

221022443111204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35144732 (or 35144730 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 221022443111204 its reverse (402111344220122), we get a palindrome (623133787331326).

The spelling of 221022443111204 in words is "two hundred twenty-one trillion, twenty-two billion, four hundred forty-three million, one hundred eleven thousand, two hundred four".