2100001011211 has 8 divisors (see below), whose sum is σ = 2106399535344. Its totient is φ = 2093604480000.

The previous prime is 2100001011203. The next prime is 2100001011253. The reversal of 2100001011211 is 1121101000012.

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

It is a cyclic number.

It is not a de Polignac number, because 2100001011211 - 2³ = 2100001011203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2100001011271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1626211 + ... + 2616211.

It is an arithmetic number, because the mean of its divisors is an integer number (263299941918).

Almost surely, 2^{2100001011211} is an apocalyptic number.

2100001011211 is a deficient number, since it is larger than the sum of its proper divisors (6398524133).

2100001011211 is an equidigital number, since it uses as much as digits as its factorization.

2100001011211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996461.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 2100001011211 its reverse (1121101000012), we get a palindrome (3221102011223).

The spelling of 2100001011211 in words is "two trillion, one hundred billion, one million, eleven thousand, two hundred eleven".