2101169077913 has 2 divisors, whose sum is σ = 2101169077914. Its totient is φ = 2101169077912.

The previous prime is 2101169077907. The next prime is 2101169077927. The reversal of 2101169077913 is 3197709611012.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1987840568464 + 113328509449 = 1409908^2 + 336643^2 .

It is a cyclic number.

It is not a de Polignac number, because 2101169077913 - 2²⁴ = 2101152300697 is a prime.

It is a super-2 number, since 2×2101169077913² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2101169077963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050584538956 + 1050584538957.

It is an arithmetic number, because the mean of its divisors is an integer number (1050584538957).

Almost surely, 2^{2101169077913} is an apocalyptic number.

It is an amenable number.

2101169077913 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101169077913 is an equidigital number, since it uses as much as digits as its factorization.

2101169077913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 142884, while the sum is 47.

The spelling of 2101169077913 in words is "two trillion, one hundred one billion, one hundred sixty-nine million, seventy-seven thousand, nine hundred thirteen".