110002120 has 16 divisors (see below), whose sum is σ = 247504860. Its totient is φ = 44000832.

The previous prime is 110002111. The next prime is 110002159. The reversal of 110002120 is 21200011.

It can be written as a sum of positive squares in 2 ways, for example, as 100280196 + 9721924 = 10014^2 + 3118^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1374987 + ... + 1375066.

Almost surely, 2^110002120 is an apocalyptic number.

110002120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110002120 is an abundant number, since it is smaller than the sum of its proper divisors (137502740).

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

110002120 is a wasteful number, since it uses less digits than its factorization.

110002120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2750064 (or 2750060 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 110002120 is about 10488.1895482490. The cubic root of 110002120 is about 479.1450638108.

Adding to 110002120 its reverse (21200011), we get a palindrome (131202131).

The spelling of 110002120 in words is "one hundred ten million, two thousand, one hundred twenty".