2112202111189 has 2 divisors, whose sum is σ = 2112202111190. Its totient is φ = 2112202111188.

The previous prime is 2112202111157. The next prime is 2112202111207. The reversal of 2112202111189 is 9811112022112.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2071138331025 + 41063780164 = 1439145^2 + 202642^2 .

It is a cyclic number.

It is not a de Polignac number, because 2112202111189 - 2⁵ = 2112202111157 is a prime.

It is a super-2 number, since 2×2112202111189² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2112202111189.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2112202111589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056101055594 + 1056101055595.

It is an arithmetic number, because the mean of its divisors is an integer number (1056101055595).

Almost surely, 2^{2112202111189} is an apocalyptic number.

It is an amenable number.

2112202111189 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112202111189 is an equidigital number, since it uses as much as digits as its factorization.

2112202111189 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 31.

The spelling of 2112202111189 in words is "two trillion, one hundred twelve billion, two hundred two million, one hundred eleven thousand, one hundred eighty-nine".