222120203130 has 576 divisors, whose sum is σ = 720528576768. Its totient is φ = 49058472960.

The previous prime is 222120203119. The next prime is 222120203153. The reversal of 222120203130 is 31302021222.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 844563379 + ... + 844563641.

It is an arithmetic number, because the mean of its divisors is an integer number (1250917668).

Almost surely, 2^222120203130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222120203130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (360264288384).

222120203130 is an abundant number, since it is smaller than the sum of its proper divisors (498408373638).

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

222120203130 is a wasteful number, since it uses less digits than its factorization.

222120203130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513 (or 494 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 222120203130 its reverse (31302021222), we get a palindrome (253422224352).

The spelling of 222120203130 in words is "two hundred twenty-two billion, one hundred twenty million, two hundred three thousand, one hundred thirty".