101263536091 has 2 divisors, whose sum is σ = 101263536092. Its totient is φ = 101263536090.

The previous prime is 101263536089. The next prime is 101263536113. The reversal of 101263536091 is 190635362101.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101263536091 - 2¹ = 101263536089 is a prime.

Together with 101263536089, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 101263536091.

It is not a weakly prime, because it can be changed into another prime (101263536041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50631768045 + 50631768046.

It is an arithmetic number, because the mean of its divisors is an integer number (50631768046).

Almost surely, 2^101263536091 is an apocalyptic number.

101263536091 is a deficient number, since it is larger than the sum of its proper divisors (1).

101263536091 is an equidigital number, since it uses as much as digits as its factorization.

101263536091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29160, while the sum is 37.

Adding to 101263536091 its reverse (190635362101), we get a palindrome (291898898192).

The spelling of 101263536091 in words is "one hundred one billion, two hundred sixty-three million, five hundred thirty-six thousand, ninety-one".