1001110120 has 64 divisors (see below), whose sum is σ = 2336947200. Its totient is φ = 385681920.

The previous prime is 1001110111. The next prime is 1001110129. The reversal of 1001110120 is 210111001.

It is an interprime number because it is at equal distance from previous prime (1001110111) and next prime (1001110129).

It is not an unprimeable number, because it can be changed into a prime (1001110129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125697 + ... + 133423.

It is an arithmetic number, because the mean of its divisors is an integer number (36514800).

Almost surely, 2^1001110120 is an apocalyptic number.

1001110120 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 1001110120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1168473600).

1001110120 is an abundant number, since it is smaller than the sum of its proper divisors (1335837080).

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

1001110120 is a wasteful number, since it uses less digits than its factorization.

1001110120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7858 (or 7854 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 7.

The square root of 1001110120 is about 31640.3242714104. The cubic root of 1001110120 is about 1000.3699031548.

Adding to 1001110120 its reverse (210111001), we get a palindrome (1211221121).

The spelling of 1001110120 in words is "one billion, one million, one hundred ten thousand, one hundred twenty".