91738102230211 has 4 divisors (see below), whose sum is σ = 91830673474624. Its totient is φ = 91645530985800.

The previous prime is 91738102230157. The next prime is 91738102230217. The reversal of 91738102230211 is 11203220183719.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-91738102230211 is a prime.

It is a super-2 number, since 2×91738102230211² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91738102230217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46285620720 + ... + 46285622701.

It is an arithmetic number, because the mean of its divisors is an integer number (22957668368656).

Almost surely, 2^{91738102230211} is an apocalyptic number.

91738102230211 is a deficient number, since it is larger than the sum of its proper divisors (92571244413).

91738102230211 is an equidigital number, since it uses as much as digits as its factorization.

91738102230211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92571244412.

The product of its (nonzero) digits is 36288, while the sum is 40.

The spelling of 91738102230211 in words is "ninety-one trillion, seven hundred thirty-eight billion, one hundred two million, two hundred thirty thousand, two hundred eleven".