1122201212189 has 2 divisors, whose sum is σ = 1122201212190. Its totient is φ = 1122201212188.

The previous prime is 1122201212161. The next prime is 1122201212201. The reversal of 1122201212189 is 9812121022211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 581432175289 + 540769036900 = 762517^2 + 735370^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122201212189 - 2⁴⁰ = 22689584413 is a prime.

It is a super-2 number, since 2×1122201212189² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1122251212189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561100606094 + 561100606095.

It is an arithmetic number, because the mean of its divisors is an integer number (561100606095).

Almost surely, 2^{1122201212189} is an apocalyptic number.

It is an amenable number.

1122201212189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122201212189 is an equidigital number, since it uses as much as digits as its factorization.

1122201212189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 32.

The spelling of 1122201212189 in words is "one trillion, one hundred twenty-two billion, two hundred one million, two hundred twelve thousand, one hundred eighty-nine".