2101010202201 has 4 divisors (see below), whose sum is σ = 2801346936272. Its totient is φ = 1400673468132.

The previous prime is 2101010202173. The next prime is 2101010202253. The reversal of 2101010202201 is 1022020101012.

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 not a de Polignac number, because 2101010202201 - 2⁷ = 2101010202073 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2101010202101) 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, 350168367031 + ... + 350168367036.

It is an arithmetic number, because the mean of its divisors is an integer number (700336734068).

Almost surely, 2^{2101010202201} is an apocalyptic number.

It is an amenable number.

2101010202201 is a deficient number, since it is larger than the sum of its proper divisors (700336734071).

2101010202201 is an equidigital number, since it uses as much as digits as its factorization.

2101010202201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700336734070.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2101010202201 its reverse (1022020101012), we get a palindrome (3123030303213).

The spelling of 2101010202201 in words is "two trillion, one hundred one billion, ten million, two hundred two thousand, two hundred one".