2101111201211 has 8 divisors (see below), whose sum is σ = 2301253270848. Its totient is φ = 1902491125000.

The previous prime is 2101111201199. The next prime is 2101111201237. The reversal of 2101111201211 is 1121021111012.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2101111201211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2101111231211) 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, 380495465 + ... + 380500986.

It is an arithmetic number, because the mean of its divisors is an integer number (287656658856).

Almost surely, 2^{2101111201211} is an apocalyptic number.

2101111201211 is a deficient number, since it is larger than the sum of its proper divisors (200142069637).

2101111201211 is a wasteful number, since it uses less digits than its factorization.

2101111201211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760996713.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 2101111201211 its reverse (1121021111012), we get a palindrome (3222132312223).

The spelling of 2101111201211 in words is "two trillion, one hundred one billion, one hundred eleven million, two hundred one thousand, two hundred eleven".