100231322251 has 2 divisors, whose sum is σ = 100231322252. Its totient is φ = 100231322250.

The previous prime is 100231322249. The next prime is 100231322339. The reversal of 100231322251 is 152223132001.

It is a weak prime.

It is an emirp because it is prime and its reverse (152223132001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100231322251 - 2¹ = 100231322249 is a prime.

Together with 100231322249, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (100231322351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50115661125 + 50115661126.

It is an arithmetic number, because the mean of its divisors is an integer number (50115661126).

Almost surely, 2^100231322251 is an apocalyptic number.

100231322251 is a deficient number, since it is larger than the sum of its proper divisors (1).

100231322251 is an equidigital number, since it uses as much as digits as its factorization.

100231322251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 100231322251 its reverse (152223132001), we get a palindrome (252454454252).

The spelling of 100231322251 in words is "one hundred billion, two hundred thirty-one million, three hundred twenty-two thousand, two hundred fifty-one".