2102020200001 has 4 divisors (see below), whose sum is σ = 2136479547604. Its totient is φ = 2067560852400.

The previous prime is 2102020199977. The next prime is 2102020200013. The reversal of 2102020200001 is 1000020202012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 909171785025 + 1192848414976 = 953505^2 + 1092176^2 .

It is a cyclic number.

It is not a de Polignac number, because 2102020200001 - 2²⁵ = 2101986645569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2102020200101) 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, 17229673710 + ... + 17229673831.

It is an arithmetic number, because the mean of its divisors is an integer number (534119886901).

Almost surely, 2^{2102020200001} is an apocalyptic number.

It is an amenable number.

2102020200001 is a deficient number, since it is larger than the sum of its proper divisors (34459347603).

2102020200001 is an equidigital number, since it uses as much as digits as its factorization.

2102020200001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34459347602.

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

Adding to 2102020200001 its reverse (1000020202012), we get a palindrome (3102040402013).

The spelling of 2102020200001 in words is "two trillion, one hundred two billion, twenty million, two hundred thousand, one".