1001102221009 has 4 divisors (see below), whose sum is σ = 1092111513840. Its totient is φ = 910092928180.

The previous prime is 1001102220967. The next prime is 1001102221013. The reversal of 1001102221009 is 9001222011001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1001102221009 - 2⁹ = 1001102220497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1001102221709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45504646399 + ... + 45504646420.

It is an arithmetic number, because the mean of its divisors is an integer number (273027878460).

Almost surely, 2^{1001102221009} is an apocalyptic number.

It is an amenable number.

1001102221009 is a deficient number, since it is larger than the sum of its proper divisors (91009292831).

1001102221009 is an equidigital number, since it uses as much as digits as its factorization.

1001102221009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91009292830.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 1001102221009 in words is "one trillion, one billion, one hundred two million, two hundred twenty-one thousand, nine".