2221110223332 has 576 divisors, whose sum is σ = 7443739505664. Its totient is φ = 506060835840.

The previous prime is 2221110223309. The next prime is 2221110223337. The reversal of 2221110223332 is 2333220111222.

It is not an unprimeable number, because it can be changed into a prime (2221110223337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 133769343 + ... + 133785945.

It is an arithmetic number, because the mean of its divisors is an integer number (12923158864).

Almost surely, 2^{2221110223332} is an apocalyptic number.

2221110223332 is a gapful number since it is divisible by the number (22) 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 2221110223332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3721869752832).

2221110223332 is an abundant number, since it is smaller than the sum of its proper divisors (5222629282332).

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

2221110223332 is a wasteful number, since it uses less digits than its factorization.

2221110223332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16728 (or 16719 counting only the distinct ones).

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

Adding to 2221110223332 its reverse (2333220111222), we get a palindrome (4554330334554).

It can be divided in two parts, 2221110 and 223332, that added together give a palindrome (2444442).

The spelling of 2221110223332 in words is "two trillion, two hundred twenty-one billion, one hundred ten million, two hundred twenty-three thousand, three hundred thirty-two".