2100002001211 has 4 divisors (see below), whose sum is σ = 2223531530712. Its totient is φ = 1976472471712.

The previous prime is 2100002001179. The next prime is 2100002001241. The reversal of 2100002001211 is 1121002000012.

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 2100002001211 - 2⁵ = 2100002001179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2100002001241) 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, 61764764725 + ... + 61764764758.

It is an arithmetic number, because the mean of its divisors is an integer number (555882882678).

Almost surely, 2^{2100002001211} is an apocalyptic number.

2100002001211 is a deficient number, since it is larger than the sum of its proper divisors (123529529501).

2100002001211 is a wasteful number, since it uses less digits than its factorization.

2100002001211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123529529500.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 2100002001211 its reverse (1121002000012), we get a palindrome (3221004001223).

The spelling of 2100002001211 in words is "two trillion, one hundred billion, two million, one thousand, two hundred eleven".