20200102211189 has 2 divisors, whose sum is σ = 20200102211190. Its totient is φ = 20200102211188.

The previous prime is 20200102211143. The next prime is 20200102211249. The reversal of 20200102211189 is 98111220100202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11008394052100 + 9191708159089 = 3317890^2 + 3031783^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20200102211189 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 (20200102211389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10100051105594 + 10100051105595.

It is an arithmetic number, because the mean of its divisors is an integer number (10100051105595).

Almost surely, 2^{20200102211189} is an apocalyptic number.

It is an amenable number.

20200102211189 is a deficient number, since it is larger than the sum of its proper divisors (1).

20200102211189 is an equidigital number, since it uses as much as digits as its factorization.

20200102211189 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 20200102211189 in words is "twenty trillion, two hundred billion, one hundred two million, two hundred eleven thousand, one hundred eighty-nine".