220222021210100 has 216 divisors, whose sum is σ = 591423064626240. Its totient is φ = 69693197783040.

The previous prime is 220222021210097. The next prime is 220222021210117. The reversal of 220222021210100 is 1012120222022.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3562336991 + ... + 3562398809.

It is an arithmetic number, because the mean of its divisors is an integer number (2738069743640).

Almost surely, 2^{220222021210100} is an apocalyptic number.

220222021210100 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 220222021210100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (295711532313120).

220222021210100 is an abundant number, since it is smaller than the sum of its proper divisors (371201043416140).

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

220222021210100 is a wasteful number, since it uses less digits than its factorization.

220222021210100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91979 (or 91959 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 220222021210100 its reverse (1012120222022), we get a palindrome (221234141432122).

The spelling of 220222021210100 in words is "two hundred twenty trillion, two hundred twenty-two billion, twenty-one million, two hundred ten thousand, one hundred".