221033412310240 has 48 divisors (see below), whose sum is σ = 522375113857968. Its totient is φ = 88382266126336.

The previous prime is 221033412310231. The next prime is 221033412310273. The reversal of 221033412310240 is 42013214330122.

It is a junction number, because it is equal to n+sod(n) for n = 221033412310199 and 221033412310208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242503057 + ... + 243412816.

It is an arithmetic number, because the mean of its divisors is an integer number (10882814872041).

Almost surely, 2^{221033412310240} is an apocalyptic number.

221033412310240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221033412310240 is an abundant number, since it is smaller than the sum of its proper divisors (301341701547728).

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

221033412310240 is a wasteful number, since it uses less digits than its factorization.

221033412310240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485918731 (or 485918723 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 221033412310240 its reverse (42013214330122), we get a palindrome (263046626640362).

The spelling of 221033412310240 in words is "two hundred twenty-one trillion, thirty-three billion, four hundred twelve million, three hundred ten thousand, two hundred forty".