110000221020 has 120 divisors (see below), whose sum is σ = 353491438608. Its totient is φ = 28617926400.

The previous prime is 110000221013. The next prime is 110000221031. The reversal of 110000221020 is 20122000011.

110000221020 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

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 = 110000220993 and 110000221011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 761646 + ... + 894485.

Almost surely, 2^110000221020 is an apocalyptic number.

110000221020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110000221020 is an abundant number, since it is smaller than the sum of its proper divisors (243491217588).

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

110000221020 is a wasteful number, since it uses less digits than its factorization.

110000221020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1656193 (or 1656182 counting only the distinct ones).

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

Adding to 110000221020 its reverse (20122000011), we get a palindrome (130122221031).

The spelling of 110000221020 in words is "one hundred ten billion, two hundred twenty-one thousand, twenty".