110221222111020 has 144 divisors (see below), whose sum is σ = 344024252732160. Its totient is φ = 28548398809728.

The previous prime is 110221222110929. The next prime is 110221222111037. The reversal of 110221222111020 is 20111222122011.

110221222111020 is a `hidden beast` number, since 1 + 102 + 212 + 221 + 110 + 20 = 666.

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 = 110221222110984 and 110221222111002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38392384 + ... + 41163303.

It is an arithmetic number, because the mean of its divisors is an integer number (2389057310640).

Almost surely, 2^{110221222111020} is an apocalyptic number.

110221222111020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110221222111020 is an abundant number, since it is smaller than the sum of its proper divisors (233803030621140).

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

110221222111020 is a wasteful number, since it uses less digits than its factorization.

110221222111020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79555924 (or 79555919 counting only the distinct ones).

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

Adding to 110221222111020 its reverse (20111222122011), we get a palindrome (130332444233031).

The spelling of 110221222111020 in words is "one hundred ten trillion, two hundred twenty-one billion, two hundred twenty-two million, one hundred eleven thousand, twenty".