121140444107 has 2 divisors, whose sum is σ = 121140444108. Its totient is φ = 121140444106.

The previous prime is 121140444013. The next prime is 121140444163. The reversal of 121140444107 is 701444041121.

It is a strong prime.

It is an emirp because it is prime and its reverse (701444041121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121140444107 - 2¹⁸ = 121140181963 is a prime.

It is a super-3 number, since 3×121140444107³ (a number of 34 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121140444107.

It is not a weakly prime, because it can be changed into another prime (121140444407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60570222053 + 60570222054.

It is an arithmetic number, because the mean of its divisors is an integer number (60570222054).

Almost surely, 2^121140444107 is an apocalyptic number.

121140444107 is a deficient number, since it is larger than the sum of its proper divisors (1).

121140444107 is an equidigital number, since it uses as much as digits as its factorization.

121140444107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3584, while the sum is 29.

Adding to 121140444107 its reverse (701444041121), we get a palindrome (822584485228).

The spelling of 121140444107 in words is "one hundred twenty-one billion, one hundred forty million, four hundred forty-four thousand, one hundred seven".