221102424532 has 24 divisors (see below), whose sum is σ = 422555192640. Its totient is φ = 100393824960.

The previous prime is 221102424523. The next prime is 221102424551. The reversal of 221102424532 is 235424201122.

It is a self number, because there is not a number n which added to its sum of digits gives 221102424532.

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, 2640232 + ... + 2722687.

It is an arithmetic number, because the mean of its divisors is an integer number (17606466360).

Almost surely, 2^221102424532 is an apocalyptic number.

221102424532 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

221102424532 is a deficient number, since it is larger than the sum of its proper divisors (201452768108).

221102424532 is a wasteful number, since it uses less digits than its factorization.

221102424532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5363871 (or 5363869 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 221102424532 its reverse (235424201122), we get a palindrome (456526625654).

The spelling of 221102424532 in words is "two hundred twenty-one billion, one hundred two million, four hundred twenty-four thousand, five hundred thirty-two".