101011010191027 has 2 divisors, whose sum is σ = 101011010191028. Its totient is φ = 101011010191026.

The previous prime is 101011010191001. The next prime is 101011010191043. The reversal of 101011010191027 is 720191010110101.

It is a strong prime.

It is an emirp because it is prime and its reverse (720191010110101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101011010191027 - 2⁴³ = 92214917168819 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101011010190992 and 101011010191010.

It is not a weakly prime, because it can be changed into another prime (101011010191067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50505505095513 + 50505505095514.

It is an arithmetic number, because the mean of its divisors is an integer number (50505505095514).

Almost surely, 2^{101011010191027} is an apocalyptic number.

101011010191027 is a deficient number, since it is larger than the sum of its proper divisors (1).

101011010191027 is an equidigital number, since it uses as much as digits as its factorization.

101011010191027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126, while the sum is 25.

The spelling of 101011010191027 in words is "one hundred one trillion, eleven billion, ten million, one hundred ninety-one thousand, twenty-seven".