2001101140 has 24 divisors (see below), whose sum is σ = 4291725312. Its totient is φ = 783409440.

The previous prime is 2001101117. The next prime is 2001101153. The reversal of 2001101140 is 411011002.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1063476 + ... + 1065355.

It is an arithmetic number, because the mean of its divisors is an integer number (178821888).

Almost surely, 2^2001101140 is an apocalyptic number.

2001101140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2001101140 is an abundant number, since it is smaller than the sum of its proper divisors (2290624172).

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

2001101140 is a wasteful number, since it uses less digits than its factorization.

2001101140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2128887 (or 2128885 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 2001101140 is about 44733.6689753926. The cubic root of 2001101140 is about 1260.1522323835.

Adding to 2001101140 its reverse (411011002), we get a palindrome (2412112142).

The spelling of 2001101140 in words is "two billion, one million, one hundred one thousand, one hundred forty".