121223101159 has 2 divisors, whose sum is σ = 121223101160. Its totient is φ = 121223101158.

The previous prime is 121223101121. The next prime is 121223101177. The reversal of 121223101159 is 951101322121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121223101159 - 2²¹ = 121221004007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121223104159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60611550579 + 60611550580.

It is an arithmetic number, because the mean of its divisors is an integer number (60611550580).

Almost surely, 2^121223101159 is an apocalyptic number.

121223101159 is a deficient number, since it is larger than the sum of its proper divisors (1).

121223101159 is an equidigital number, since it uses as much as digits as its factorization.

121223101159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 28.

The spelling of 121223101159 in words is "one hundred twenty-one billion, two hundred twenty-three million, one hundred one thousand, one hundred fifty-nine".