2109231127799 has 24 divisors (see below), whose sum is σ = 2273723037360. Its totient is φ = 1951194655872.

The previous prime is 2109231127793. The next prime is 2109231127867. The reversal of 2109231127799 is 9977211329012.

It is a happy number.

It is not a de Polignac number, because 2109231127799 - 2⁸ = 2109231127543 is a prime.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2109231127799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2109231127793) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 174700427 + ... + 174712499.

It is an arithmetic number, because the mean of its divisors is an integer number (94738459890).

Almost surely, 2^{2109231127799} is an apocalyptic number.

2109231127799 is a deficient number, since it is larger than the sum of its proper divisors (164491909561).

2109231127799 is a wasteful number, since it uses less digits than its factorization.

2109231127799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17151 (or 17108 counting only the distinct ones).

The product of its (nonzero) digits is 857304, while the sum is 53.

The spelling of 2109231127799 in words is "two trillion, one hundred nine billion, two hundred thirty-one million, one hundred twenty-seven thousand, seven hundred ninety-nine".