221440201300 has 72 divisors (see below), whose sum is σ = 496790203392. Its totient is φ = 85586736000.

The previous prime is 221440201291. The next prime is 221440201373. The reversal of 221440201300 is 3102044122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1969605 + ... + 2078995.

It is an arithmetic number, because the mean of its divisors is an integer number (6899863936).

Almost surely, 2^221440201300 is an apocalyptic number.

221440201300 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 221440201300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248395101696).

221440201300 is an abundant number, since it is smaller than the sum of its proper divisors (275350002092).

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

221440201300 is a wasteful number, since it uses less digits than its factorization.

221440201300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110089 (or 110082 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 221440201300 its reverse (3102044122), we get a palindrome (224542245422).

It can be divided in two parts, 221440 and 201300, that added together give a triangular number (422740 = T₉₁₉).

The spelling of 221440201300 in words is "two hundred twenty-one billion, four hundred forty million, two hundred one thousand, three hundred".