8803109884221 has 56 divisors (see below), whose sum is σ = 13706887997880. Its totient is φ = 5644317966336.

The previous prime is 8803109884201. The next prime is 8803109884237. The reversal of 8803109884221 is 1224889013088.

It can be written as a sum of positive squares in 4 ways, for example, as 1992654084996 + 6810455799225 = 1411614^2 + 2609685^2 .

It is not a de Polignac number, because 8803109884221 - 2⁵ = 8803109884189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8803109884201) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 4623121 + ... + 6243353.

It is an arithmetic number, because the mean of its divisors is an integer number (244765857105).

Almost surely, 2^{8803109884221} is an apocalyptic number.

8803109884221 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

It is an amenable number.

8803109884221 is a deficient number, since it is larger than the sum of its proper divisors (4903778113659).

8803109884221 is a wasteful number, since it uses less digits than its factorization.

8803109884221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1620537 (or 1620522 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 54.

The spelling of 8803109884221 in words is "eight trillion, eight hundred three billion, one hundred nine million, eight hundred eighty-four thousand, two hundred twenty-one".