2101110101211 has 48 divisors (see below), whose sum is σ = 3245310230400. Its totient is φ = 1204916993280.

The previous prime is 2101110101197. The next prime is 2101110101243. The reversal of 2101110101211 is 1121010111012.

It is not a de Polignac number, because 2101110101211 - 2⁹ = 2101110100699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2101110101261) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5519635 + ... + 5888003.

It is an arithmetic number, because the mean of its divisors is an integer number (67610629800).

Almost surely, 2^{2101110101211} is an apocalyptic number.

2101110101211 is a deficient number, since it is larger than the sum of its proper divisors (1144200129189).

2101110101211 is a wasteful number, since it uses less digits than its factorization.

2101110101211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369240 (or 369229 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 2101110101211 its reverse (1121010111012), we get a palindrome (3222120212223).

The spelling of 2101110101211 in words is "two trillion, one hundred one billion, one hundred ten million, one hundred one thousand, two hundred eleven".