2108992075601 has 2 divisors, whose sum is σ = 2108992075602. Its totient is φ = 2108992075600.

The previous prime is 2108992075543. The next prime is 2108992075639. The reversal of 2108992075601 is 1065702998012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1407165337600 + 701826738001 = 1186240^2 + 837751^2 .

It is a cyclic number.

It is not a de Polignac number, because 2108992075601 - 2¹⁰ = 2108992074577 is a prime.

It is a super-2 number, since 2×2108992075601² (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 2108992075601.

It is not a weakly prime, because it can be changed into another prime (2108992075501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1054496037800 + 1054496037801.

It is an arithmetic number, because the mean of its divisors is an integer number (1054496037801).

Almost surely, 2^{2108992075601} is an apocalyptic number.

It is an amenable number.

2108992075601 is a deficient number, since it is larger than the sum of its proper divisors (1).

2108992075601 is an equidigital number, since it uses as much as digits as its factorization.

2108992075601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320, while the sum is 50.

The spelling of 2108992075601 in words is "two trillion, one hundred eight billion, nine hundred ninety-two million, seventy-five thousand, six hundred one".