2101130140 has 12 divisors (see below), whose sum is σ = 4412373336. Its totient is φ = 840452048.

The previous prime is 2101130111. The next prime is 2101130149. The reversal of 2101130140 is 410311012.

It is a super-3 number, since 3×2101130140³ (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2101130140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101130149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52528234 + ... + 52528273.

It is an arithmetic number, because the mean of its divisors is an integer number (367697778).

Almost surely, 2^2101130140 is an apocalyptic number.

2101130140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2101130140 is an abundant number, since it is smaller than the sum of its proper divisors (2311243196).

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

2101130140 is a wasteful number, since it uses less digits than its factorization.

2101130140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105056516 (or 105056514 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2101130140 is about 45838.0861293314. The cubic root of 2101130140 is about 1280.8088434319.

Adding to 2101130140 its reverse (410311012), we get a palindrome (2511441152).

The spelling of 2101130140 in words is "two billion, one hundred one million, one hundred thirty thousand, one hundred forty".