101690184217 has 2 divisors, whose sum is σ = 101690184218. Its totient is φ = 101690184216.

The previous prime is 101690184199. The next prime is 101690184251. The reversal of 101690184217 is 712481096101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83264565136 + 18425619081 = 288556^2 + 135741^2 .

It is a cyclic number.

It is not a de Polignac number, because 101690184217 - 2²³ = 101681795609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101690184217.

It is not a weakly prime, because it can be changed into another prime (101690184287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50845092108 + 50845092109.

It is an arithmetic number, because the mean of its divisors is an integer number (50845092109).

Almost surely, 2^101690184217 is an apocalyptic number.

It is an amenable number.

101690184217 is a deficient number, since it is larger than the sum of its proper divisors (1).

101690184217 is an equidigital number, since it uses as much as digits as its factorization.

101690184217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 40.

The spelling of 101690184217 in words is "one hundred one billion, six hundred ninety million, one hundred eighty-four thousand, two hundred seventeen".