110012021220 has 48 divisors (see below), whose sum is σ = 324245960640. Its totient is φ = 27792510336.

The previous prime is 110012021209. The next prime is 110012021221. The reversal of 110012021220 is 22120210011.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 110012021196 and 110012021205.

It is not an unprimeable number, because it can be changed into a prime (110012021221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48249747 + ... + 48252026.

It is an arithmetic number, because the mean of its divisors is an integer number (6755124180).

Almost surely, 2^110012021220 is an apocalyptic number.

110012021220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110012021220 is an abundant number, since it is smaller than the sum of its proper divisors (214233939420).

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

110012021220 is a wasteful number, since it uses less digits than its factorization.

110012021220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96501804 (or 96501802 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 110012021220 its reverse (22120210011), we get a palindrome (132132231231).

The spelling of 110012021220 in words is "one hundred ten billion, twelve million, twenty-one thousand, two hundred twenty".