2101210020211 has 8 divisors (see below), whose sum is σ = 2130534207200. Its totient is φ = 2071900441152.

The previous prime is 2101210020209. The next prime is 2101210020227. The reversal of 2101210020211 is 1120200121012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2101210020211 - 2¹ = 2101210020209 is a prime.

It is a super-2 number, since 2×2101210020211² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2101210020191 and 2101210020200.

It is not an unprimeable number, because it can be changed into a prime (2101210020271) 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 7 ways as a sum of consecutive naturals, for example, 3362136 + ... + 3937813.

It is an arithmetic number, because the mean of its divisors is an integer number (266316775900).

Almost surely, 2^{2101210020211} is an apocalyptic number.

2101210020211 is a deficient number, since it is larger than the sum of its proper divisors (29324186989).

2101210020211 is an equidigital number, since it uses as much as digits as its factorization.

2101210020211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7303965.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2101210020211 its reverse (1120200121012), we get a palindrome (3221410141223).

The spelling of 2101210020211 in words is "two trillion, one hundred one billion, two hundred ten million, twenty thousand, two hundred eleven".