10020121022189 has 2 divisors, whose sum is σ = 10020121022190. Its totient is φ = 10020121022188.

The previous prime is 10020121022129. The next prime is 10020121022209. The reversal of 10020121022189 is 98122012102001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7652471016100 + 2367650006089 = 2766310^2 + 1538717^2 .

It is an emirp because it is prime and its reverse (98122012102001) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10020121022189 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10020121022129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010060511094 + 5010060511095.

It is an arithmetic number, because the mean of its divisors is an integer number (5010060511095).

Almost surely, 2^{10020121022189} is an apocalyptic number.

It is an amenable number.

10020121022189 is a deficient number, since it is larger than the sum of its proper divisors (1).

10020121022189 is an equidigital number, since it uses as much as digits as its factorization.

10020121022189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 29.

The spelling of 10020121022189 in words is "ten trillion, twenty billion, one hundred twenty-one million, twenty-two thousand, one hundred eighty-nine".