121333144027 has 2 divisors, whose sum is σ = 121333144028. Its totient is φ = 121333144026.

The previous prime is 121333144021. The next prime is 121333144081. The reversal of 121333144027 is 720441333121.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121333144027 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121333144027.

It is not a weakly prime, because it can be changed into another prime (121333144021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60666572013 + 60666572014.

It is an arithmetic number, because the mean of its divisors is an integer number (60666572014).

Almost surely, 2^121333144027 is an apocalyptic number.

121333144027 is a deficient number, since it is larger than the sum of its proper divisors (1).

121333144027 is an equidigital number, since it uses as much as digits as its factorization.

121333144027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 31.

Adding to 121333144027 its reverse (720441333121), we get a palindrome (841774477148).

The spelling of 121333144027 in words is "one hundred twenty-one billion, three hundred thirty-three million, one hundred forty-four thousand, twenty-seven".