220221011100 has 36 divisors (see below), whose sum is σ = 637172792984. Its totient is φ = 58725602880.

The previous prime is 220221011053. The next prime is 220221011123. The reversal of 220221011100 is 1110122022.

220221011100 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 (12).

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 11 ways as a sum of consecutive naturals, for example, 367034719 + ... + 367035318.

Almost surely, 2^220221011100 is an apocalyptic number.

220221011100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220221011100 is an abundant number, since it is smaller than the sum of its proper divisors (416951781884).

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

220221011100 is a wasteful number, since it uses less digits than its factorization.

220221011100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734070054 (or 734070047 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 220221011100 its reverse (1110122022), we get a palindrome (221331133122).

The spelling of 220221011100 in words is "two hundred twenty billion, two hundred twenty-one million, eleven thousand, one hundred".