101321022149 has 2 divisors, whose sum is σ = 101321022150. Its totient is φ = 101321022148.

The previous prime is 101321022133. The next prime is 101321022151. The reversal of 101321022149 is 941220123101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77545540900 + 23775481249 = 278470^2 + 154193^2 .

It is a cyclic number.

It is not a de Polignac number, because 101321022149 - 2⁴ = 101321022133 is a prime.

It is a Sophie Germain prime.

Together with 101321022151, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101321022119) 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, 50660511074 + 50660511075.

It is an arithmetic number, because the mean of its divisors is an integer number (50660511075).

Almost surely, 2^101321022149 is an apocalyptic number.

It is an amenable number.

101321022149 is a deficient number, since it is larger than the sum of its proper divisors (1).

101321022149 is an equidigital number, since it uses as much as digits as its factorization.

101321022149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 101321022149 in words is "one hundred one billion, three hundred twenty-one million, twenty-two thousand, one hundred forty-nine".