10121322149 has 2 divisors, whose sum is σ = 10121322150. Its totient is φ = 10121322148.

The previous prime is 10121322083. The next prime is 10121322157. The reversal of 10121322149 is 94122312101.

10121322149 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9136492225 + 984829924 = 95585^2 + 31382^2 .

It is a cyclic number.

It is not a de Polignac number, because 10121322149 - 2⁸ = 10121321893 is a prime.

It is a Sophie Germain 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 (10121322049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060661074 + 5060661075.

It is an arithmetic number, because the mean of its divisors is an integer number (5060661075).

Almost surely, 2^10121322149 is an apocalyptic number.

It is an amenable number.

10121322149 is a deficient number, since it is larger than the sum of its proper divisors (1).

10121322149 is an equidigital number, since it uses as much as digits as its factorization.

10121322149 is an evil number, because the sum of its binary digits is even.

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

The spelling of 10121322149 in words is "ten billion, one hundred twenty-one million, three hundred twenty-two thousand, one hundred forty-nine".