101190699991 has 2 divisors, whose sum is σ = 101190699992. Its totient is φ = 101190699990.

The previous prime is 101190699979. The next prime is 101190699997. The reversal of 101190699991 is 199996091101.

It is a strong prime.

It is an emirp because it is prime and its reverse (199996091101) is a distict prime. It is also a bemirp because it and its reverse can be mirrored producing other two distinct primes, 166669061101 and 101160966661.

It is a cyclic number.

It is not a de Polignac number, because 101190699991 - 2²³ = 101182311383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101190699997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50595349995 + 50595349996.

It is an arithmetic number, because the mean of its divisors is an integer number (50595349996).

Almost surely, 2^101190699991 is an apocalyptic number.

101190699991 is a deficient number, since it is larger than the sum of its proper divisors (1).

101190699991 is an equidigital number, since it uses as much as digits as its factorization.

101190699991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 354294, while the sum is 55.

The spelling of 101190699991 in words is "one hundred one billion, one hundred ninety million, six hundred ninety-nine thousand, nine hundred ninety-one".