110021221112220 has 144 divisors (see below), whose sum is σ = 364075745211360. Its totient is φ = 26671406592000.

The previous prime is 110021221112191. The next prime is 110021221112269. The reversal of 110021221112220 is 22211122120011.

110021221112220 is a `hidden beast` number, since 1 + 10 + 0 + 212 + 211 + 12 + 220 = 666.

110021221112220 is digitally balanced in base 3, 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 (18).

It is a junction number, because it is equal to n+sod(n) for n = 110021221112193 and 110021221112202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 142350820 + ... + 143121620.

It is an arithmetic number, because the mean of its divisors is an integer number (2528303786190).

Almost surely, 2^{110021221112220} is an apocalyptic number.

110021221112220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110021221112220 is an abundant number, since it is smaller than the sum of its proper divisors (254054524099140).

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

110021221112220 is a wasteful number, since it uses less digits than its factorization.

110021221112220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842916 (or 842911 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 110021221112220 its reverse (22211122120011), we get a palindrome (132232343232231).

The spelling of 110021221112220 in words is "one hundred ten trillion, twenty-one billion, two hundred twenty-one million, one hundred twelve thousand, two hundred twenty".