101323221187 has 2 divisors, whose sum is σ = 101323221188. Its totient is φ = 101323221186.

The previous prime is 101323221089. The next prime is 101323221221. The reversal of 101323221187 is 781122323101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101323221187 - 2¹¹ = 101323219139 is a prime.

It is not a weakly prime, because it can be changed into another prime (101323221287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50661610593 + 50661610594.

It is an arithmetic number, because the mean of its divisors is an integer number (50661610594).

Almost surely, 2^101323221187 is an apocalyptic number.

101323221187 is a deficient number, since it is larger than the sum of its proper divisors (1).

101323221187 is an equidigital number, since it uses as much as digits as its factorization.

101323221187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 31.

Adding to 101323221187 its reverse (781122323101), we get a palindrome (882445544288).

The spelling of 101323221187 in words is "one hundred one billion, three hundred twenty-three million, two hundred twenty-one thousand, one hundred eighty-seven".