11020121039 has 2 divisors, whose sum is σ = 11020121040. Its totient is φ = 11020121038.

The previous prime is 11020121029. The next prime is 11020121051. The reversal of 11020121039 is 93012102011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11020121039 - 2⁴ = 11020121023 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11020121039.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11020121029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5510060519 + 5510060520.

It is an arithmetic number, because the mean of its divisors is an integer number (5510060520).

Almost surely, 2^11020121039 is an apocalyptic number.

11020121039 is a deficient number, since it is larger than the sum of its proper divisors (1).

11020121039 is an equidigital number, since it uses as much as digits as its factorization.

11020121039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 20.

The spelling of 11020121039 in words is "eleven billion, twenty million, one hundred twenty-one thousand, thirty-nine".