110221202120 has 64 divisors (see below), whose sum is σ = 253664939520. Its totient is φ = 43083867904.

The previous prime is 110221202111. The next prime is 110221202249. The reversal of 110221202120 is 21202122011.

It is a junction number, because it is equal to n+sod(n) for n = 110221202095 and 110221202104.

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, 1182749 + ... + 1272531.

It is an arithmetic number, because the mean of its divisors is an integer number (3963514680).

Almost surely, 2^110221202120 is an apocalyptic number.

110221202120 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 110221202120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126832469760).

110221202120 is an abundant number, since it is smaller than the sum of its proper divisors (143443737400).

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

110221202120 is a wasteful number, since it uses less digits than its factorization.

110221202120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90494 (or 90490 counting only the distinct ones).

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

Adding to 110221202120 its reverse (21202122011), we get a palindrome (131423324131).

The spelling of 110221202120 in words is "one hundred ten billion, two hundred twenty-one million, two hundred two thousand, one hundred twenty".