10002020001001 has 8 divisors (see below), whose sum is σ = 11432984791424. Its totient is φ = 8571581408160.

The previous prime is 10002020000993. The next prime is 10002020001007. The reversal of 10002020001001 is 10010002020001.

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

It is a cyclic number.

It is not a de Polignac number, because 10002020001001 - 2³ = 10002020000993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is not an unprimeable number, because it can be changed into a prime (10002020001007) 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, 131508660 + ... + 131584693.

It is an arithmetic number, because the mean of its divisors is an integer number (1429123098928).

Almost surely, 2^{10002020001001} is an apocalyptic number.

It is an amenable number.

10002020001001 is a deficient number, since it is larger than the sum of its proper divisors (1430964790423).

10002020001001 is an equidigital number, since it uses as much as digits as its factorization.

10002020001001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263098791.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 10002020001001 its reverse (10010002020001), we get a palindrome (20012022021002).

The spelling of 10002020001001 in words is "ten trillion, two billion, twenty million, one thousand, one".