101099999993 has 2 divisors, whose sum is σ = 101099999994. Its totient is φ = 101099999992.

The previous prime is 101099999981. The next prime is 101100000007. The reversal of 101099999993 is 399999990101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64177608889 + 36922391104 = 253333^2 + 192152^2 .

It is an emirp because it is prime and its reverse (399999990101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101099999993 - 2¹² = 101099995897 is a prime.

It is not a weakly prime, because it can be changed into another prime (101099999953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50549999996 + 50549999997.

It is an arithmetic number, because the mean of its divisors is an integer number (50549999997).

Almost surely, 2^101099999993 is an apocalyptic number.

It is an amenable number.

101099999993 is a deficient number, since it is larger than the sum of its proper divisors (1).

101099999993 is an equidigital number, since it uses as much as digits as its factorization.

101099999993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14348907, while the sum is 68.

The spelling of 101099999993 in words is "one hundred one billion, ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-three".