244121321100 has 144 divisors (see below), whose sum is σ = 711550457856. Its totient is φ = 64618848000.

The previous prime is 244121321089. The next prime is 244121321111. The reversal of 244121321100 is 1123121442.

It is an interprime number because it is at equal distance from previous prime (244121321089) and next prime (244121321111).

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, 28129962 + ... + 28138638.

It is an arithmetic number, because the mean of its divisors is an integer number (4941322624).

Almost surely, 2^244121321100 is an apocalyptic number.

244121321100 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 244121321100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (355775228928).

244121321100 is an abundant number, since it is smaller than the sum of its proper divisors (467429136756).

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

244121321100 is a wasteful number, since it uses less digits than its factorization.

244121321100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9376 (or 9369 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 244121321100 its reverse (1123121442), we get a palindrome (245244442542).

The spelling of 244121321100 in words is "two hundred forty-four billion, one hundred twenty-one million, three hundred twenty-one thousand, one hundred".