110621920 has 48 divisors (see below), whose sum is σ = 263783520. Its totient is φ = 43835904.

The previous prime is 110621837. The next prime is 110621923. The reversal of 110621920 is 29126011.

It is a junction number, because it is equal to n+sod(n) for n = 110621891 and 110621900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110621923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14269 + ... + 20611.

It is an arithmetic number, because the mean of its divisors is an integer number (5495490).

Almost surely, 2^110621920 is an apocalyptic number.

110621920 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 110621920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131891760).

110621920 is an abundant number, since it is smaller than the sum of its proper divisors (153161600).

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

110621920 is a wasteful number, since it uses less digits than its factorization.

110621920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6467 (or 6459 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 110621920 is about 10517.6955650941. The cubic root of 110621920 is about 480.0432831339.

Adding to 110621920 its reverse (29126011), we get a palindrome (139747931).

The spelling of 110621920 in words is "one hundred ten million, six hundred twenty-one thousand, nine hundred twenty".