10221044332240 has 160 divisors (see below), whose sum is σ = 28098554434560. Its totient is φ = 3383124326400.

The previous prime is 10221044332229. The next prime is 10221044332273. The reversal of 10221044332240 is 4223344012201.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 10221044332199 and 10221044332208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 161410185 + ... + 161473495.

It is an arithmetic number, because the mean of its divisors is an integer number (175615965216).

Almost surely, 2^{10221044332240} is an apocalyptic number.

10221044332240 is a gapful number since it is divisible by the number (10) 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 10221044332240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14049277217280).

10221044332240 is an abundant number, since it is smaller than the sum of its proper divisors (17877510102320).

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

10221044332240 is a wasteful number, since it uses less digits than its factorization.

10221044332240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73301 (or 73295 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 10221044332240 its reverse (4223344012201), we get a palindrome (14444388344441).

The spelling of 10221044332240 in words is "ten trillion, two hundred twenty-one billion, forty-four million, three hundred thirty-two thousand, two hundred forty".