2109711463120 has 40 divisors (see below), whose sum is σ = 4906062471816. Its totient is φ = 843715411968.

The previous prime is 2109711463103. The next prime is 2109711463127. The reversal of 2109711463120 is 213641179012.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 13864591504 + 2095846871616 = 117748^2 + 1447704^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×2109711463120² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2109711463120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2109711463127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2241397 + ... + 3040276.

Almost surely, 2^{2109711463120} is an apocalyptic number.

2109711463120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2109711463120 is an abundant number, since it is smaller than the sum of its proper divisors (2796351008696).

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

2109711463120 is a wasteful number, since it uses less digits than its factorization.

2109711463120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5286679 (or 5286673 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 37.

The spelling of 2109711463120 in words is "two trillion, one hundred nine billion, seven hundred eleven million, four hundred sixty-three thousand, one hundred twenty".