2100002020211 has 4 divisors (see below), whose sum is σ = 2121651525672. Its totient is φ = 2078352514752.

The previous prime is 2100002020201. The next prime is 2100002020309. The reversal of 2100002020211 is 1120202000012.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2100002020211 - 2¹⁰ = 2100002019187 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2100002020192 and 2100002020201.

It is not an unprimeable number, because it can be changed into a prime (2100002020201) 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, 10824752585 + ... + 10824752778.

It is an arithmetic number, because the mean of its divisors is an integer number (530412881418).

Almost surely, 2^{2100002020211} is an apocalyptic number.

2100002020211 is a deficient number, since it is larger than the sum of its proper divisors (21649505461).

2100002020211 is an equidigital number, since it uses as much as digits as its factorization.

2100002020211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21649505460.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2100002020211 its reverse (1120202000012), we get a palindrome (3220204020223).

The spelling of 2100002020211 in words is "two trillion, one hundred billion, two million, twenty thousand, two hundred eleven".