2101012110111 has 16 divisors (see below), whose sum is σ = 2846963105280. Its totient is φ = 1378009147200.

The previous prime is 2101012110091. The next prime is 2101012110151. The reversal of 2101012110111 is 1110112101012.

It is not a de Polignac number, because 2101012110111 - 2¹⁵ = 2101012077343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101012110151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17592790 + ... + 17711811.

It is an arithmetic number, because the mean of its divisors is an integer number (177935194080).

Almost surely, 2^{2101012110111} is an apocalyptic number.

2101012110111 is a deficient number, since it is larger than the sum of its proper divisors (745950995169).

2101012110111 is a wasteful number, since it uses less digits than its factorization.

2101012110111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35304926.

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

Adding to 2101012110111 its reverse (1110112101012), we get a palindrome (3211124211123).

Subtracting from 2101012110111 its reverse (1110112101012), we obtain a palindrome (990900009099).

The spelling of 2101012110111 in words is "two trillion, one hundred one billion, twelve million, one hundred ten thousand, one hundred eleven".