10020120121279 has 2 divisors, whose sum is σ = 10020120121280. Its totient is φ = 10020120121278.

The previous prime is 10020120121229. The next prime is 10020120121301. The reversal of 10020120121279 is 97212102102001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10020120121279 - 2¹⁷ = 10020119990207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10020120121229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010060060639 + 5010060060640.

It is an arithmetic number, because the mean of its divisors is an integer number (5010060060640).

Almost surely, 2^{10020120121279} is an apocalyptic number.

10020120121279 is a deficient number, since it is larger than the sum of its proper divisors (1).

10020120121279 is an equidigital number, since it uses as much as digits as its factorization.

10020120121279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 28.

The spelling of 10020120121279 in words is "ten trillion, twenty billion, one hundred twenty million, one hundred twenty-one thousand, two hundred seventy-nine".