2101102110 has 24 divisors (see below), whose sum is σ = 5462865720. Its totient is φ = 560293872.

The previous prime is 2101102093. The next prime is 2101102123. The reversal of 2101102110 is 112011012.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 2101102092 and 2101102101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11672700 + ... + 11672879.

It is an arithmetic number, because the mean of its divisors is an integer number (227619405).

Almost surely, 2^2101102110 is an apocalyptic number.

2101102110 is an abundant number, since it is smaller than the sum of its proper divisors (3361763610).

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

2101102110 is a wasteful number, since it uses less digits than its factorization.

2101102110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23345592 (or 23345589 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

The square root of 2101102110 is about 45837.7803781989. The cubic root of 2101102110 is about 1280.8031478888.

Adding to 2101102110 its reverse (112011012), we get a palindrome (2213113122).

The spelling of 2101102110 in words is "two billion, one hundred one million, one hundred two thousand, one hundred ten".