110220221020 has 96 divisors (see below), whose sum is σ = 286369284096. Its totient is φ = 34700140800.

The previous prime is 110220221011. The next prime is 110220221039. The reversal of 110220221020 is 20122022011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 189085 + ... + 506155.

It is an arithmetic number, because the mean of its divisors is an integer number (2983013376).

Almost surely, 2^110220221020 is an apocalyptic number.

110220221020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 110220221020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143184642048).

110220221020 is an abundant number, since it is smaller than the sum of its proper divisors (176149063076).

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

110220221020 is a wasteful number, since it uses less digits than its factorization.

110220221020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317291 (or 317289 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 110220221020 its reverse (20122022011), we get a palindrome (130342243031).

The spelling of 110220221020 in words is "one hundred ten billion, two hundred twenty million, two hundred twenty-one thousand, twenty".