100002002002021 has 16 divisors (see below), whose sum is σ = 114662155386240. Its totient is φ = 85435451156160.

The previous prime is 100002002001989. The next prime is 100002002002033. The reversal of 100002002002021 is 120200200200001.

It is not a de Polignac number, because 100002002002021 - 2⁵ = 100002002001989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100002002001989 and 100002002002007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100002002002081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16030666 + ... + 21377236.

It is an arithmetic number, because the mean of its divisors is an integer number (7166384711640).

Almost surely, 2^{100002002002021} is an apocalyptic number.

It is an amenable number.

100002002002021 is a deficient number, since it is larger than the sum of its proper divisors (14660153384219).

100002002002021 is an equidigital number, since it uses as much as digits as its factorization.

100002002002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5355324.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 100002002002021 its reverse (120200200200001), we get a palindrome (220202202202022).

The spelling of 100002002002021 in words is "one hundred trillion, two billion, two million, two thousand, twenty-one".