2102103220201 has 6 divisors (see below), whose sum is σ = 2138335971002. Its totient is φ = 2066474348640.

The previous prime is 2102103220169. The next prime is 2102103220213. The reversal of 2102103220201 is 1020223012012.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1978411033600 + 123692186601 = 1406560^2 + 351699^2 .

It is not a de Polignac number, because 2102103220201 - 2⁵ = 2102103220169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2102103223201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 301936080 + ... + 301943041.

Almost surely, 2^{2102103220201} is an apocalyptic number.

It is an amenable number.

2102103220201 is a deficient number, since it is larger than the sum of its proper divisors (36232750801).

2102103220201 is an frugal number, since it uses more digits than its factorization.

2102103220201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603879239 (or 603879180 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 2102103220201 its reverse (1020223012012), we get a palindrome (3122326232213).

The spelling of 2102103220201 in words is "two trillion, one hundred two billion, one hundred three million, two hundred twenty thousand, two hundred one".