2116121585707 has 2 divisors, whose sum is σ = 2116121585708. Its totient is φ = 2116121585706.

The previous prime is 2116121585701. The next prime is 2116121585717. The reversal of 2116121585707 is 7075851216112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2116121585707 - 2⁷ = 2116121585579 is a prime.

It is not a weakly prime, because it can be changed into another prime (2116121585701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1058060792853 + 1058060792854.

It is an arithmetic number, because the mean of its divisors is an integer number (1058060792854).

Almost surely, 2^{2116121585707} is an apocalyptic number.

2116121585707 is a deficient number, since it is larger than the sum of its proper divisors (1).

2116121585707 is an equidigital number, since it uses as much as digits as its factorization.

2116121585707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 235200, while the sum is 46.

The spelling of 2116121585707 in words is "two trillion, one hundred sixteen billion, one hundred twenty-one million, five hundred eighty-five thousand, seven hundred seven".