2100110121111 has 16 divisors (see below), whose sum is σ = 2876640999264. Its totient is φ = 1361847763584.

The previous prime is 2100110121071. The next prime is 2100110121119. The reversal of 2100110121111 is 1111210110012.

It is not a de Polignac number, because 2100110121111 - 2¹⁴ = 2100110104727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100110121119) 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, 2285436 + ... + 3069761.

It is an arithmetic number, because the mean of its divisors is an integer number (179790062454).

Almost surely, 2^{2100110121111} is an apocalyptic number.

2100110121111 is a deficient number, since it is larger than the sum of its proper divisors (776530878153).

2100110121111 is a wasteful number, since it uses less digits than its factorization.

2100110121111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5358770.

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

Adding to 2100110121111 its reverse (1111210110012), we get a palindrome (3211320231123).

The spelling of 2100110121111 in words is "two trillion, one hundred billion, one hundred ten million, one hundred twenty-one thousand, one hundred eleven".