110212021220 has 48 divisors (see below), whose sum is σ = 264530907648. Its totient is φ = 37783827840.

The previous prime is 110212021217. The next prime is 110212021261. The reversal of 110212021220 is 22120212011.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 110212021195 and 110212021204.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2185814 + ... + 2235666.

It is an arithmetic number, because the mean of its divisors is an integer number (5511060576).

Almost surely, 2^110212021220 is an apocalyptic number.

110212021220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110212021220 is an abundant number, since it is smaller than the sum of its proper divisors (154318886428).

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

110212021220 is a wasteful number, since it uses less digits than its factorization.

110212021220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65660 (or 65658 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 110212021220 its reverse (22120212011), we get a palindrome (132332233231).

The spelling of 110212021220 in words is "one hundred ten billion, two hundred twelve million, twenty-one thousand, two hundred twenty".