2102020110 has 24 divisors (see below), whose sum is σ = 5465252520. Its totient is φ = 560538672.

The previous prime is 2102020073. The next prime is 2102020147. The reversal of 2102020110 is 110202012.

It is an interprime number because it is at equal distance from previous prime (2102020073) and next prime (2102020147).

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 = 2102020092 and 2102020101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11677800 + ... + 11677979.

It is an arithmetic number, because the mean of its divisors is an integer number (227718855).

Almost surely, 2^2102020110 is an apocalyptic number.

2102020110 is an abundant number, since it is smaller than the sum of its proper divisors (3363232410).

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

2102020110 is a wasteful number, since it uses less digits than its factorization.

2102020110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23355792 (or 23355789 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 2102020110 is about 45847.7928585445. The cubic root of 2102020110 is about 1280.9896541495.

Adding to 2102020110 its reverse (110202012), we get a palindrome (2212222122).

The spelling of 2102020110 in words is "two billion, one hundred two million, twenty thousand, one hundred ten".