1001230021029 has 8 divisors (see below), whose sum is σ = 1525683841600. Its totient is φ = 572131440576.

The previous prime is 1001230021021. The next prime is 1001230021039. The reversal of 1001230021029 is 9201200321001.

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

It is not a de Polignac number, because 1001230021029 - 2³ = 1001230021021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 47677620049 = 1001230021029 / (1 + 0 + 0 + 1 + 2 + 3 + 0 + 0 + 2 + 1 + 0 + 2 + 9).

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1001230020996 and 1001230021014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001230021021) 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 7 ways as a sum of consecutive naturals, for example, 23838810004 + ... + 23838810045.

It is an arithmetic number, because the mean of its divisors is an integer number (190710480200).

Almost surely, 2^{1001230021029} is an apocalyptic number.

It is an amenable number.

1001230021029 is a deficient number, since it is larger than the sum of its proper divisors (524453820571).

1001230021029 is an equidigital number, since it uses as much as digits as its factorization.

1001230021029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47677620059.

The product of its (nonzero) digits is 216, while the sum is 21.

The spelling of 1001230021029 in words is "one trillion, one billion, two hundred thirty million, twenty-one thousand, twenty-nine".