2110121102111 has 4 divisors (see below), whose sum is σ = 2301950293224. Its totient is φ = 1918291911000.

The previous prime is 2110121102077. The next prime is 2110121102113. The reversal of 2110121102111 is 1112011210112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2110121102111 is a prime.

It is a super-2 number, since 2×2110121102111² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2110121102113) 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, 95914595540 + ... + 95914595561.

It is an arithmetic number, because the mean of its divisors is an integer number (575487573306).

Almost surely, 2^{2110121102111} is an apocalyptic number.

2110121102111 is a deficient number, since it is larger than the sum of its proper divisors (191829191113).

2110121102111 is a wasteful number, since it uses less digits than its factorization.

2110121102111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191829191112.

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

Adding to 2110121102111 its reverse (1112011210112), we get a palindrome (3222132312223).

The spelling of 2110121102111 in words is "two trillion, one hundred ten billion, one hundred twenty-one million, one hundred two thousand, one hundred eleven".