110221101020 has 96 divisors (see below), whose sum is σ = 247561278720. Its totient is φ = 41098337280.

The previous prime is 110221101019. The next prime is 110221101037. The reversal of 110221101020 is 20101122011.

It is a super-2 number, since 2×110221101020² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 110221100992 and 110221101010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29811812 + ... + 29815508.

It is an arithmetic number, because the mean of its divisors is an integer number (2578763320).

Almost surely, 2^110221101020 is an apocalyptic number.

110221101020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 110221101020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123780639360).

110221101020 is an abundant number, since it is smaller than the sum of its proper divisors (137340177700).

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

110221101020 is a wasteful number, since it uses less digits than its factorization.

110221101020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4963 (or 4961 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 110221101020 its reverse (20101122011), we get a palindrome (130322223031).

The spelling of 110221101020 in words is "one hundred ten billion, two hundred twenty-one million, one hundred one thousand, twenty".