221033233120 has 48 divisors (see below), whose sum is σ = 596789732448. Its totient is φ = 75782822400.

The previous prime is 221033233111. The next prime is 221033233139. The reversal of 221033233120 is 21332330122.

It is a junction number, because it is equal to n+sod(n) for n = 221033233091 and 221033233100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98674431 + ... + 98676670.

It is an arithmetic number, because the mean of its divisors is an integer number (12433119426).

Almost surely, 2^221033233120 is an apocalyptic number.

221033233120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221033233120 is an abundant number, since it is smaller than the sum of its proper divisors (375756499328).

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

221033233120 is a wasteful number, since it uses less digits than its factorization.

221033233120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197351123 (or 197351115 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 221033233120 its reverse (21332330122), we get a palindrome (242365563242).

The spelling of 221033233120 in words is "two hundred twenty-one billion, thirty-three million, two hundred thirty-three thousand, one hundred twenty".