1020121110479 has 2 divisors, whose sum is σ = 1020121110480. Its totient is φ = 1020121110478.

The previous prime is 1020121110469. The next prime is 1020121110509. The reversal of 1020121110479 is 9740111210201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1020121110479 - 2⁸ = 1020121110223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020121110409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510060555239 + 510060555240.

It is an arithmetic number, because the mean of its divisors is an integer number (510060555240).

Almost surely, 2^{1020121110479} is an apocalyptic number.

1020121110479 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020121110479 is an equidigital number, since it uses as much as digits as its factorization.

1020121110479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 29.

The spelling of 1020121110479 in words is "one trillion, twenty billion, one hundred twenty-one million, one hundred ten thousand, four hundred seventy-nine".