10102002020001 has 20 divisors (see below), whose sum is σ = 15100553676912. Its totient is φ = 6730245956088.

The previous prime is 10102002019999. The next prime is 10102002020003. The reversal of 10102002020001 is 10002020020101.

It is an interprime number because it is at equal distance from previous prime (10102002019999) and next prime (10102002020003).

It is not a de Polignac number, because 10102002020001 - 2¹ = 10102002019999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (10102002020003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 40820851 + ... + 41067576.

Almost surely, 2^{10102002020001} is an apocalyptic number.

It is an amenable number.

10102002020001 is a deficient number, since it is larger than the sum of its proper divisors (4998551656911).

10102002020001 is an equidigital number, since it uses as much as digits as its factorization.

10102002020001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81889962 (or 81889953 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 10102002020001 its reverse (10002020020101), we get a palindrome (20104022040102).

The spelling of 10102002020001 in words is "ten trillion, one hundred two billion, two million, twenty thousand, one".