221333213122220 has 48 divisors (see below), whose sum is σ = 470446395890688. Its totient is φ = 87457944757440.

The previous prime is 221333213122213. The next prime is 221333213122339. The reversal of 221333213122220 is 22221312333122.

221333213122220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×221333213122220³ (a number of 44 digits) contains 333 as substring.

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, 10144517 + ... + 23357603.

It is an arithmetic number, because the mean of its divisors is an integer number (9800966581056).

Almost surely, 2^{221333213122220} is an apocalyptic number.

221333213122220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221333213122220 is an abundant number, since it is smaller than the sum of its proper divisors (249113182768468).

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

221333213122220 is a wasteful number, since it uses less digits than its factorization.

221333213122220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13223270 (or 13223268 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 221333213122220 its reverse (22221312333122), we get a palindrome (243554525455342).

The spelling of 221333213122220 in words is "two hundred twenty-one trillion, three hundred thirty-three billion, two hundred thirteen million, one hundred twenty-two thousand, two hundred twenty".