222101010122200 has 384 divisors, whose sum is σ = 574122747363840. Its totient is φ = 79892640960000.

The previous prime is 222101010122197. The next prime is 222101010122209. The reversal of 222101010122200 is 2221010101222.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222101010122209) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 36753432379 + ... + 36753438421.

It is an arithmetic number, because the mean of its divisors is an integer number (1495111321260).

Almost surely, 2^{222101010122200} is an apocalyptic number.

222101010122200 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 222101010122200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287061373681920).

222101010122200 is an abundant number, since it is smaller than the sum of its proper divisors (352021737241640).

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

222101010122200 is a wasteful number, since it uses less digits than its factorization.

222101010122200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7560 (or 7529 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 222101010122200 its reverse (2221010101222), we get a palindrome (224322020223422).

222101010122200 divided by its reverse (2221010101222) gives a square (100 = 10²).

The spelling of 222101010122200 in words is "two hundred twenty-two trillion, one hundred one billion, ten million, one hundred twenty-two thousand, two hundred".