1001001222129 has 8 divisors (see below), whose sum is σ = 1334736948672. Its totient is φ = 667299821840.

The previous prime is 1001001222077. The next prime is 1001001222181. The reversal of 1001001222129 is 9212221001001.

It is an interprime number because it is at equal distance from previous prime (1001001222077) and next prime (1001001222181).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1001001222129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1001001222829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8513442 + ... + 8630219.

It is an arithmetic number, because the mean of its divisors is an integer number (166842118584).

Almost surely, 2^{1001001222129} is an apocalyptic number.

It is an amenable number.

1001001222129 is a deficient number, since it is larger than the sum of its proper divisors (333735726543).

1001001222129 is a wasteful number, since it uses less digits than its factorization.

1001001222129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17163127.

The product of its (nonzero) digits is 144, while the sum is 21.

The spelling of 1001001222129 in words is "one trillion, one billion, one million, two hundred twenty-two thousand, one hundred twenty-nine".