100020000000001 has 4 divisors (see below), whose sum is σ = 102148085106432. Its totient is φ = 97891914893572.

The previous prime is 100019999999999. The next prime is 100020000000029. The reversal of 100020000000001 is 100000000020001.

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 100020000000001 - 2¹ = 100019999999999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100020000000031) 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, 1064042553145 + ... + 1064042553238.

It is an arithmetic number, because the mean of its divisors is an integer number (25537021276608).

Almost surely, 2^{100020000000001} is an apocalyptic number.

It is an amenable number.

100020000000001 is a deficient number, since it is larger than the sum of its proper divisors (2128085106431).

100020000000001 is an equidigital number, since it uses as much as digits as its factorization.

100020000000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2128085106430.

The product of its (nonzero) digits is 2, while the sum is 4.

Adding to 100020000000001 its reverse (100000000020001), we get a palindrome (200020000020002).

The spelling of 100020000000001 in words is "one hundred trillion, twenty billion, one", and thus it is an aban number.