220321221102 has 32 divisors (see below), whose sum is σ = 489730246560. Its totient is φ = 73421277120.

The previous prime is 220321221077. The next prime is 220321221149. The reversal of 220321221102 is 201122123022.

220321221102 is a `hidden beast` number, since 2 + 20 + 321 + 221 + 102 = 666.

220321221102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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 15 ways as a sum of consecutive naturals, for example, 321399 + ... + 737522.

It is an arithmetic number, because the mean of its divisors is an integer number (15304070205).

Almost surely, 2^220321221102 is an apocalyptic number.

220321221102 is an abundant number, since it is smaller than the sum of its proper divisors (269409025458).

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

220321221102 is a wasteful number, since it uses less digits than its factorization.

220321221102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062785 (or 1062779 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 220321221102 its reverse (201122123022), we get a palindrome (421443344124).

The spelling of 220321221102 in words is "two hundred twenty billion, three hundred twenty-one million, two hundred twenty-one thousand, one hundred two".