2110111210100 has 18 divisors (see below), whose sum is σ = 4578941326134. Its totient is φ = 844044484000.

The previous prime is 2110111210063. The next prime is 2110111210139. The reversal of 2110111210100 is 10121110112.

It can be written as a sum of positive squares in 3 ways, for example, as 161144439184 + 1948966770916 = 401428^2 + 1396054^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10550555951 + ... + 10550556150.

Almost surely, 2^{2110111210100} is an apocalyptic number.

2110111210100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2110111210100 is an abundant number, since it is smaller than the sum of its proper divisors (2468830116034).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2110111210100 is a wasteful number, since it uses less digits than its factorization.

2110111210100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21101112115 (or 21101112108 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 2110111210100 its reverse (10121110112), we get a palindrome (2120232320212).

The spelling of 2110111210100 in words is "two trillion, one hundred ten billion, one hundred eleven million, two hundred ten thousand, one hundred".