100202020110 has 128 divisors (see below), whose sum is σ = 285624299520. Its totient is φ = 24935328000.

The previous prime is 100202020081. The next prime is 100202020111. The reversal of 100202020110 is 11020202001.

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 = 100202020092 and 100202020101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100202020111) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 57835 + ... + 451385.

It is an arithmetic number, because the mean of its divisors is an integer number (2231439840).

Almost surely, 2^100202020110 is an apocalyptic number.

100202020110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 100202020110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142812149760).

100202020110 is an abundant number, since it is smaller than the sum of its proper divisors (185422279410).

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

100202020110 is a wasteful number, since it uses less digits than its factorization.

100202020110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393631 (or 393625 counting only the distinct ones).

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

Adding to 100202020110 its reverse (11020202001), we get a palindrome (111222222111).

The spelling of 100202020110 in words is "one hundred billion, two hundred two million, twenty thousand, one hundred ten".