121210118016607 has 2 divisors, whose sum is σ = 121210118016608. Its totient is φ = 121210118016606.

The previous prime is 121210118016583. The next prime is 121210118016623. The reversal of 121210118016607 is 706610811012121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121210118016607 is a prime.

It is a super-4 number, since 4×121210118016607⁴ (a number of 57 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121210118016697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60605059008303 + 60605059008304.

It is an arithmetic number, because the mean of its divisors is an integer number (60605059008304).

Almost surely, 2^{121210118016607} is an apocalyptic number.

121210118016607 is a deficient number, since it is larger than the sum of its proper divisors (1).

121210118016607 is an equidigital number, since it uses as much as digits as its factorization.

121210118016607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 37.

Adding to 121210118016607 its reverse (706610811012121), we get a palindrome (827820929028728).

The spelling of 121210118016607 in words is "one hundred twenty-one trillion, two hundred ten billion, one hundred eighteen million, sixteen thousand, six hundred seven".