101111663239189 has 2 divisors, whose sum is σ = 101111663239190. Its totient is φ = 101111663239188.

The previous prime is 101111663239183. The next prime is 101111663239201. The reversal of 101111663239189 is 981932366111101.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73691202272164 + 27420460967025 = 8584358^2 + 5236455^2 .

It is a cyclic number.

It is not a de Polignac number, because 101111663239189 - 2⁴³ = 92315570216981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101111663239183) 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, 50555831619594 + 50555831619595.

It is an arithmetic number, because the mean of its divisors is an integer number (50555831619595).

Almost surely, 2^{101111663239189} is an apocalyptic number.

It is an amenable number.

101111663239189 is a deficient number, since it is larger than the sum of its proper divisors (1).

101111663239189 is an equidigital number, since it uses as much as digits as its factorization.

101111663239189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 419904, while the sum is 52.

The spelling of 101111663239189 in words is "one hundred one trillion, one hundred eleven billion, six hundred sixty-three million, two hundred thirty-nine thousand, one hundred eighty-nine".