101123032291 has 2 divisors, whose sum is σ = 101123032292. Its totient is φ = 101123032290.

The previous prime is 101123032289. The next prime is 101123032301. The reversal of 101123032291 is 192230321101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101123032291 - 2¹ = 101123032289 is a prime.

Together with 101123032289, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (101123032201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50561516145 + 50561516146.

It is an arithmetic number, because the mean of its divisors is an integer number (50561516146).

Almost surely, 2^101123032291 is an apocalyptic number.

101123032291 is a deficient number, since it is larger than the sum of its proper divisors (1).

101123032291 is an equidigital number, since it uses as much as digits as its factorization.

101123032291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 25.

Adding to 101123032291 its reverse (192230321101), we get a palindrome (293353353392).

It can be divided in two parts, 10112 and 3032291, that added together give a palindrome (3042403).

The spelling of 101123032291 in words is "one hundred one billion, one hundred twenty-three million, thirty-two thousand, two hundred ninety-one".