221022103032 has 64 divisors (see below), whose sum is σ = 621347328000. Its totient is φ = 72786389472.

The previous prime is 221022103007. The next prime is 221022103063. The reversal of 221022103032 is 230301220122.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 221022102996 and 221022103014.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6146232 + ... + 6182087.

It is an arithmetic number, because the mean of its divisors is an integer number (9708552000).

Almost surely, 2^221022103032 is an apocalyptic number.

It is an amenable number.

221022103032 is an abundant number, since it is smaller than the sum of its proper divisors (400325224968).

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

221022103032 is a wasteful number, since it uses less digits than its factorization.

221022103032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12328417 (or 12328407 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 221022103032 its reverse (230301220122), we get a palindrome (451323323154).

The spelling of 221022103032 in words is "two hundred twenty-one billion, twenty-two million, one hundred three thousand, thirty-two".