110021020110 has 24 divisors (see below), whose sum is σ = 286054652520. Its totient is φ = 29338938672.

The previous prime is 110021020103. The next prime is 110021020157. The reversal of 110021020110 is 11020120011.

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 = 110021020092 and 110021020101.

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, 611227800 + ... + 611227979.

It is an arithmetic number, because the mean of its divisors is an integer number (11918943855).

Almost surely, 2^110021020110 is an apocalyptic number.

110021020110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

110021020110 is an abundant number, since it is smaller than the sum of its proper divisors (176033632410).

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

110021020110 is a wasteful number, since it uses less digits than its factorization.

110021020110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222455792 (or 1222455789 counting only the distinct ones).

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

Adding to 110021020110 its reverse (11020120011), we get a palindrome (121041140121).

Subtracting from 110021020110 its reverse (11020120011), we obtain a palindrome (99000900099).

The spelling of 110021020110 in words is "one hundred ten billion, twenty-one million, twenty thousand, one hundred ten".