222100120102220 has 192 divisors, whose sum is σ = 504837456076800. Its totient is φ = 81810190252800.

The previous prime is 222100120102183. The next prime is 222100120102303. The reversal of 222100120102220 is 22201021001222.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4224095891 + ... + 4224148469.

It is an arithmetic number, because the mean of its divisors is an integer number (2629361750400).

Almost surely, 2^{222100120102220} is an apocalyptic number.

222100120102220 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 222100120102220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (252418728038400).

222100120102220 is an abundant number, since it is smaller than the sum of its proper divisors (282737335974580).

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

222100120102220 is a wasteful number, since it uses less digits than its factorization.

222100120102220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54268 (or 54266 counting only the distinct ones).

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

Adding to 222100120102220 its reverse (22201021001222), we get a palindrome (244301141103442).

The spelling of 222100120102220 in words is "two hundred twenty-two trillion, one hundred billion, one hundred twenty million, one hundred two thousand, two hundred twenty".