101252420791 has 2 divisors, whose sum is σ = 101252420792. Its totient is φ = 101252420790.

The previous prime is 101252420741. The next prime is 101252420831. The reversal of 101252420791 is 197024252101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101252420791 - 2³¹ = 99104937143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101252420701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50626210395 + 50626210396.

It is an arithmetic number, because the mean of its divisors is an integer number (50626210396).

Almost surely, 2^101252420791 is an apocalyptic number.

101252420791 is a deficient number, since it is larger than the sum of its proper divisors (1).

101252420791 is an equidigital number, since it uses as much as digits as its factorization.

101252420791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 34.

Adding to 101252420791 its reverse (197024252101), we get a palindrome (298276672892).

The spelling of 101252420791 in words is "one hundred one billion, two hundred fifty-two million, four hundred twenty thousand, seven hundred ninety-one".