2101112210111 has 12 divisors (see below), whose sum is σ = 2185752299016. Its totient is φ = 2019270454080.

The previous prime is 2101112210107. The next prime is 2101112210149. The reversal of 2101112210111 is 1110122111012.

It is not a de Polignac number, because 2101112210111 - 2² = 2101112210107 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 (2101112213111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9215120 + ... + 9440373.

It is an arithmetic number, because the mean of its divisors is an integer number (182146024918).

Almost surely, 2^{2101112210111} is an apocalyptic number.

2101112210111 is a deficient number, since it is larger than the sum of its proper divisors (84640088905).

2101112210111 is an equidigital number, since it uses as much as digits as its factorization.

2101112210111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18655642 (or 18655601 counting only the distinct ones).

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

Adding to 2101112210111 its reverse (1110122111012), we get a palindrome (3211234321123).

Subtracting from 2101112210111 its reverse (1110122111012), we obtain a palindrome (990990099099).

The spelling of 2101112210111 in words is "two trillion, one hundred one billion, one hundred twelve million, two hundred ten thousand, one hundred eleven".