110211221020 has 48 divisors (see below), whose sum is σ = 245780871840. Its totient is φ = 41394640896.

The previous prime is 110211221009. The next prime is 110211221027. The reversal of 110211221020 is 20122112011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110211221027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1240377 + ... + 1326256.

It is an arithmetic number, because the mean of its divisors is an integer number (5120434830).

Almost surely, 2^110211221020 is an apocalyptic number.

110211221020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110211221020 is an abundant number, since it is smaller than the sum of its proper divisors (135569650820).

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

110211221020 is a wasteful number, since it uses less digits than its factorization.

110211221020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2566774 (or 2566772 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 110211221020 its reverse (20122112011), we get a palindrome (130333333031).

The spelling of 110211221020 in words is "one hundred ten billion, two hundred eleven million, two hundred twenty-one thousand, twenty".