121100142014321 has 2 divisors, whose sum is σ = 121100142014322. Its totient is φ = 121100142014320.

The previous prime is 121100142014213. The next prime is 121100142014339. The reversal of 121100142014321 is 123410241001121.

Together with previous prime (121100142014213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105616420690225 + 15483721324096 = 10276985^2 + 3934936^2 .

It is a cyclic number.

It is not a de Polignac number, because 121100142014321 - 2²⁶ = 121100074905457 is a prime.

It is not a weakly prime, because it can be changed into another prime (121100142014521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60550071007160 + 60550071007161.

It is an arithmetic number, because the mean of its divisors is an integer number (60550071007161).

Almost surely, 2^{121100142014321} is an apocalyptic number.

It is an amenable number.

121100142014321 is a deficient number, since it is larger than the sum of its proper divisors (1).

121100142014321 is an equidigital number, since it uses as much as digits as its factorization.

121100142014321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 121100142014321 its reverse (123410241001121), we get a palindrome (244510383015442).

The spelling of 121100142014321 in words is "one hundred twenty-one trillion, one hundred billion, one hundred forty-two million, fourteen thousand, three hundred twenty-one".