101020101201191 has 2 divisors, whose sum is σ = 101020101201192. Its totient is φ = 101020101201190.

The previous prime is 101020101201143. The next prime is 101020101201209. The reversal of 101020101201191 is 191102101020101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101020101201191 - 2⁶ = 101020101201127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101020101206191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50510050600595 + 50510050600596.

It is an arithmetic number, because the mean of its divisors is an integer number (50510050600596).

Almost surely, 2^{101020101201191} is an apocalyptic number.

101020101201191 is a deficient number, since it is larger than the sum of its proper divisors (1).

101020101201191 is an equidigital number, since it uses as much as digits as its factorization.

101020101201191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 20.

Adding to 101020101201191 its reverse (191102101020101), we get a palindrome (292122202221292).

The spelling of 101020101201191 in words is "one hundred one trillion, twenty billion, one hundred one million, two hundred one thousand, one hundred ninety-one".