121023303301247 has 2 divisors, whose sum is σ = 121023303301248. Its totient is φ = 121023303301246.

The previous prime is 121023303301193. The next prime is 121023303301279. The reversal of 121023303301247 is 742103303320121.

It is an a-pointer prime, because the next prime (121023303301279) can be obtained adding 121023303301247 to its sum of digits (32).

It is a strong prime.

It is an emirp because it is prime and its reverse (742103303320121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121023303301247 - 2¹² = 121023303297151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121023303321247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60511651650623 + 60511651650624.

It is an arithmetic number, because the mean of its divisors is an integer number (60511651650624).

Almost surely, 2^{121023303301247} is an apocalyptic number.

121023303301247 is a deficient number, since it is larger than the sum of its proper divisors (1).

121023303301247 is an equidigital number, since it uses as much as digits as its factorization.

121023303301247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 32.

Adding to 121023303301247 its reverse (742103303320121), we get a palindrome (863126606621368).

The spelling of 121023303301247 in words is "one hundred twenty-one trillion, twenty-three billion, three hundred three million, three hundred one thousand, two hundred forty-seven".