2110011021917 has 2 divisors, whose sum is σ = 2110011021918. Its totient is φ = 2110011021916.

The previous prime is 2110011021889. The next prime is 2110011021941. The reversal of 2110011021917 is 7191201100112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2007361910596 + 102649111321 = 1416814^2 + 320389^2 .

It is a cyclic number.

It is not a de Polignac number, because 2110011021917 - 2⁸ = 2110011021661 is a prime.

It is a super-2 number, since 2×2110011021917² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2110011021967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055005510958 + 1055005510959.

It is an arithmetic number, because the mean of its divisors is an integer number (1055005510959).

Almost surely, 2^{2110011021917} is an apocalyptic number.

It is an amenable number.

2110011021917 is a deficient number, since it is larger than the sum of its proper divisors (1).

2110011021917 is an equidigital number, since it uses as much as digits as its factorization.

2110011021917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 26.

The spelling of 2110011021917 in words is "two trillion, one hundred ten billion, eleven million, twenty-one thousand, nine hundred seventeen".