110002120280 has 160 divisors (see below), whose sum is σ = 272008519200. Its totient is φ = 40029410304.

The previous prime is 110002120279. The next prime is 110002120307. The reversal of 110002120280 is 82021200011.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 83397461 + ... + 83398779.

It is an arithmetic number, because the mean of its divisors is an integer number (1700053245).

Almost surely, 2^110002120280 is an apocalyptic number.

110002120280 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 110002120280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136004259600).

110002120280 is an abundant number, since it is smaller than the sum of its proper divisors (162006398920).

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

110002120280 is an equidigital number, since it uses as much as digits as its factorization.

110002120280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1455 (or 1412 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 110002120280 its reverse (82021200011), we get a palindrome (192023320291).

The spelling of 110002120280 in words is "one hundred ten billion, two million, one hundred twenty thousand, two hundred eighty".