222020211100 has 72 divisors (see below), whose sum is σ = 494683713216. Its totient is φ = 86440320000.

The previous prime is 222020211041. The next prime is 222020211103. The reversal of 222020211100 is 1112020222.

It is a happy number.

222020211100 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222020211103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1704280 + ... + 1829920.

It is an arithmetic number, because the mean of its divisors is an integer number (6870607128).

Almost surely, 2^222020211100 is an apocalyptic number.

222020211100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222020211100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247341856608).

222020211100 is an abundant number, since it is smaller than the sum of its proper divisors (272663502116).

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

222020211100 is a wasteful number, since it uses less digits than its factorization.

222020211100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126127 (or 126120 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 222020211100 its reverse (1112020222), we get a palindrome (223132231322).

The spelling of 222020211100 in words is "two hundred twenty-two billion, twenty million, two hundred eleven thousand, one hundred".