2101100110111 has 4 divisors (see below), whose sum is σ = 2101695494800. Its totient is φ = 2100504725424.

The previous prime is 2101100110103. The next prime is 2101100110121. The reversal of 2101100110111 is 1110110011012.

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 2101100110111 - 2³ = 2101100110103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101100110121) 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, 297687051 + ... + 297694108.

It is an arithmetic number, because the mean of its divisors is an integer number (525423873700).

Almost surely, 2^{2101100110111} is an apocalyptic number.

2101100110111 is a deficient number, since it is larger than the sum of its proper divisors (595384689).

2101100110111 is an equidigital number, since it uses as much as digits as its factorization.

2101100110111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595384688.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 2101100110111 its reverse (1110110011012), we get a palindrome (3211210121123).

Subtracting from 2101100110111 its reverse (1110110011012), we obtain a palindrome (990990099099).

It can be divided in two parts, 210110011011 and 1, that added together give a palindrome (210110011012).

The spelling of 2101100110111 in words is "two trillion, one hundred one billion, one hundred million, one hundred ten thousand, one hundred eleven".