12121021001107 has 2 divisors, whose sum is σ = 12121021001108. Its totient is φ = 12121021001106.

The previous prime is 12121021001059. The next prime is 12121021001143. The reversal of 12121021001107 is 70110012012121.

It is a strong prime.

It is an emirp because it is prime and its reverse (70110012012121) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12121021001107 is a prime.

It is not a weakly prime, because it can be changed into another prime (12121021001197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6060510500553 + 6060510500554.

It is an arithmetic number, because the mean of its divisors is an integer number (6060510500554).

Almost surely, 2^{12121021001107} is an apocalyptic number.

12121021001107 is a deficient number, since it is larger than the sum of its proper divisors (1).

12121021001107 is an equidigital number, since it uses as much as digits as its factorization.

12121021001107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 19.

Adding to 12121021001107 its reverse (70110012012121), we get a palindrome (82231033013228).

The spelling of 12121021001107 in words is "twelve trillion, one hundred twenty-one billion, twenty-one million, one thousand, one hundred seven".