221433122120 has 64 divisors (see below), whose sum is σ = 577199502720. Its totient is φ = 74879921664.

The previous prime is 221433122077. The next prime is 221433122167. The reversal of 221433122120 is 21221334122.

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, 5396222 + ... + 5437101.

It is an arithmetic number, because the mean of its divisors is an integer number (9018742230).

Almost surely, 2^221433122120 is an apocalyptic number.

221433122120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221433122120 is an abundant number, since it is smaller than the sum of its proper divisors (355766380600).

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

221433122120 is a wasteful number, since it uses less digits than its factorization.

221433122120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10833414 (or 10833410 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 221433122120 its reverse (21221334122), we get a palindrome (242654456242).

The spelling of 221433122120 in words is "two hundred twenty-one billion, four hundred thirty-three million, one hundred twenty-two thousand, one hundred twenty".