2221401213200 has 240 divisors, whose sum is σ = 6215024712960. Its totient is φ = 755535912960.

The previous prime is 2221401213167. The next prime is 2221401213223. The reversal of 2221401213200 is 23121041222.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3887471 + ... + 4422129.

It is an arithmetic number, because the mean of its divisors is an integer number (25895936304).

Almost surely, 2^{2221401213200} is an apocalyptic number.

2221401213200 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 2221401213200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3107512356480).

2221401213200 is an abundant number, since it is smaller than the sum of its proper divisors (3993623499760).

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

2221401213200 is a wasteful number, since it uses less digits than its factorization.

2221401213200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534754 (or 534743 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 2221401213200 its reverse (23121041222), we get a palindrome (2244522254422).

The spelling of 2221401213200 in words is "two trillion, two hundred twenty-one billion, four hundred one million, two hundred thirteen thousand, two hundred".