2221233323100 has 216 divisors, whose sum is σ = 7145829220992. Its totient is φ = 528318585600.

The previous prime is 2221233323077. The next prime is 2221233323117. The reversal of 2221233323100 is 13233321222.

It is a super-2 number, since 2×2221233323100² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 9149889 + ... + 9389511.

Almost surely, 2^{2221233323100} is an apocalyptic number.

2221233323100 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 2221233323100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3572914610496).

2221233323100 is an abundant number, since it is smaller than the sum of its proper divisors (4924595897892).

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

2221233323100 is a wasteful number, since it uses less digits than its factorization.

2221233323100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239757 (or 239697 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 2221233323100 its reverse (13233321222), we get a palindrome (2234466644322).

The spelling of 2221233323100 in words is "two trillion, two hundred twenty-one billion, two hundred thirty-three million, three hundred twenty-three thousand, one hundred".