8890221121001 has 16 divisors (see below), whose sum is σ = 10123883255808. Its totient is φ = 7727732192400.

The previous prime is 8890221120983. The next prime is 8890221121043. The reversal of 8890221121001 is 1001211220988.

It is not a de Polignac number, because 8890221121001 - 2¹⁰ = 8890221119977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8890221121051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5902151 + ... + 7253676.

It is an arithmetic number, because the mean of its divisors is an integer number (632742703488).

Almost surely, 2^{8890221121001} is an apocalyptic number.

It is an amenable number.

8890221121001 is a deficient number, since it is larger than the sum of its proper divisors (1233662134807).

8890221121001 is a wasteful number, since it uses less digits than its factorization.

8890221121001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13158532.

The product of its (nonzero) digits is 4608, while the sum is 35.

Adding to 8890221121001 its reverse (1001211220988), we get a palindrome (9891432341989).

The spelling of 8890221121001 in words is "eight trillion, eight hundred ninety billion, two hundred twenty-one million, one hundred twenty-one thousand, one".