100626242191 has 2 divisors, whose sum is σ = 100626242192. Its totient is φ = 100626242190.

The previous prime is 100626242173. The next prime is 100626242221. The reversal of 100626242191 is 191242626001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100626242191 - 2²⁹ = 100089371279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100626242111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50313121095 + 50313121096.

It is an arithmetic number, because the mean of its divisors is an integer number (50313121096).

Almost surely, 2^100626242191 is an apocalyptic number.

100626242191 is a deficient number, since it is larger than the sum of its proper divisors (1).

100626242191 is an equidigital number, since it uses as much as digits as its factorization.

100626242191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 34.

Adding to 100626242191 its reverse (191242626001), we get a palindrome (291868868192).

The spelling of 100626242191 in words is "one hundred billion, six hundred twenty-six million, two hundred forty-two thousand, one hundred ninety-one".