2100200020110 has 40 divisors (see below), whose sum is σ = 5647204500696. Its totient is φ = 560053338480.

The previous prime is 2100200020109. The next prime is 2100200020123. The reversal of 2100200020110 is 110200020012.

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 = 2100200020092 and 2100200020101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1296418956 + ... + 1296420575.

Almost surely, 2^{2100200020110} is an apocalyptic number.

2100200020110 is an abundant number, since it is smaller than the sum of its proper divisors (3547004480586).

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

2100200020110 is a wasteful number, since it uses less digits than its factorization.

2100200020110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2592839550 (or 2592839541 counting only the distinct ones).

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

Adding to 2100200020110 its reverse (110200020012), we get a palindrome (2210400040122).

The spelling of 2100200020110 in words is "two trillion, one hundred billion, two hundred million, twenty thousand, one hundred ten".