13000121021099 has 2 divisors, whose sum is σ = 13000121021100. Its totient is φ = 13000121021098.

The previous prime is 13000121021081. The next prime is 13000121021203. The reversal of 13000121021099 is 99012012100031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13000121021099 - 2³⁶ = 12931401544363 is a prime.

It is not a weakly prime, because it can be changed into another prime (13000121020099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6500060510549 + 6500060510550.

It is an arithmetic number, because the mean of its divisors is an integer number (6500060510550).

Almost surely, 2^{13000121021099} is an apocalyptic number.

13000121021099 is a deficient number, since it is larger than the sum of its proper divisors (1).

13000121021099 is an equidigital number, since it uses as much as digits as its factorization.

13000121021099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 29.

The spelling of 13000121021099 in words is "thirteen trillion, one hundred twenty-one million, twenty-one thousand, ninety-nine".