2102114920 has 32 divisors (see below), whose sum is σ = 4731138720. Its totient is φ = 840600640.

The previous prime is 2102114893. The next prime is 2102114921. The reversal of 2102114920 is 294112012.

It is a junction number, because it is equal to n+sod(n) for n = 2102114891 and 2102114900.

It is not an unprimeable number, because it can be changed into a prime (2102114921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201759 + ... + 211921.

It is an arithmetic number, because the mean of its divisors is an integer number (147848085).

Almost surely, 2^2102114920 is an apocalyptic number.

2102114920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2102114920 is an abundant number, since it is smaller than the sum of its proper divisors (2629023800).

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

2102114920 is a wasteful number, since it uses less digits than its factorization.

2102114920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15345 (or 15341 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 2102114920 is about 45848.8268115990. The cubic root of 2102114920 is about 1281.0089132110.

Adding to 2102114920 its reverse (294112012), we get a palindrome (2396226932).

The spelling of 2102114920 in words is "two billion, one hundred two million, one hundred fourteen thousand, nine hundred twenty".