2211212233230 has 768 divisors, whose sum is σ = 7521058427904. Its totient is φ = 408655134720.

The previous prime is 2211212233207. The next prime is 2211212233231. The reversal of 2211212233230 is 323322121122.

It is a self number, because there is not a number n which added to its sum of digits gives 2211212233230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211212233231) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 832220062 + ... + 832222718.

It is an arithmetic number, because the mean of its divisors is an integer number (9793044828).

Almost surely, 2^{2211212233230} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2211212233230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3760529213952).

2211212233230 is an abundant number, since it is smaller than the sum of its proper divisors (5309846194674).

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

2211212233230 is a wasteful number, since it uses less digits than its factorization.

2211212233230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2849 (or 2842 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 2211212233230 its reverse (323322121122), we get a palindrome (2534534354352).

It can be divided in two parts, 2211212 and 233230, that added together give a palindrome (2444442).

The spelling of 2211212233230 in words is "two trillion, two hundred eleven billion, two hundred twelve million, two hundred thirty-three thousand, two hundred thirty".