1001102000221 has 16 divisors (see below), whose sum is σ = 1062986342400. Its totient is φ = 940163382000.

The previous prime is 1001102000219. The next prime is 1001102000251. The reversal of 1001102000221 is 1220002011001.

It is a cyclic number.

It is not a de Polignac number, because 1001102000221 - 2¹ = 1001102000219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1001102000198 and 1001102000207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001102000251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1010016 + ... + 1738486.

It is an arithmetic number, because the mean of its divisors is an integer number (66436646400).

Almost surely, 2^{1001102000221} is an apocalyptic number.

It is an amenable number.

1001102000221 is a deficient number, since it is larger than the sum of its proper divisors (61884342179).

1001102000221 is a wasteful number, since it uses less digits than its factorization.

1001102000221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729120.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1001102000221 its reverse (1220002011001), we get a palindrome (2221104011222).

The spelling of 1001102000221 in words is "one trillion, one billion, one hundred two million, two hundred twenty-one", and thus it is an aban number.