2021110210001 has 12 divisors (see below), whose sum is σ = 2135720074500. Its totient is φ = 1912368918528.

The previous prime is 2021110209991. The next prime is 2021110210033. The reversal of 2021110210001 is 1000120111202.

It can be written as a sum of positive squares in 2 ways, for example, as 1483095294976 + 538014915025 = 1217824^2 + 733495^2 .

It is not a de Polignac number, because 2021110210001 - 2³⁴ = 2003930340817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021110210501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3168176 + ... + 3752273.

It is an arithmetic number, because the mean of its divisors is an integer number (177976672875).

Almost surely, 2^{2021110210001} is an apocalyptic number.

It is an amenable number.

2021110210001 is a deficient number, since it is larger than the sum of its proper divisors (114609864499).

2021110210001 is an equidigital number, since it uses as much as digits as its factorization.

2021110210001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6921296 (or 6921277 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 2021110210001 its reverse (1000120111202), we get a palindrome (3021230321203).

The spelling of 2021110210001 in words is "two trillion, twenty-one billion, one hundred ten million, two hundred ten thousand, one".