2020111021189 has 2 divisors, whose sum is σ = 2020111021190. Its totient is φ = 2020111021188.

The previous prime is 2020111021157. The next prime is 2020111021217. The reversal of 2020111021189 is 9811201110202.

It is an a-pointer prime, because the next prime (2020111021217) can be obtained adding 2020111021189 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1986289972164 + 33821049025 = 1409358^2 + 183905^2 .

It is a cyclic number.

It is not a de Polignac number, because 2020111021189 - 2⁵ = 2020111021157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2020111027189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010055510594 + 1010055510595.

It is an arithmetic number, because the mean of its divisors is an integer number (1010055510595).

Almost surely, 2^{2020111021189} is an apocalyptic number.

It is an amenable number.

2020111021189 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020111021189 is an equidigital number, since it uses as much as digits as its factorization.

2020111021189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 28.

The spelling of 2020111021189 in words is "two trillion, twenty billion, one hundred eleven million, twenty-one thousand, one hundred eighty-nine".