11121233212189 has 2 divisors, whose sum is σ = 11121233212190. Its totient is φ = 11121233212188.

The previous prime is 11121233212171. The next prime is 11121233212241. The reversal of 11121233212189 is 98121233212111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9459346116025 + 1661887096164 = 3075605^2 + 1289142^2 .

It is a cyclic number.

It is not a de Polignac number, because 11121233212189 - 2⁵ = 11121233212157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11121233212589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5560616606094 + 5560616606095.

It is an arithmetic number, because the mean of its divisors is an integer number (5560616606095).

Almost surely, 2^{11121233212189} is an apocalyptic number.

It is an amenable number.

11121233212189 is a deficient number, since it is larger than the sum of its proper divisors (1).

11121233212189 is an equidigital number, since it uses as much as digits as its factorization.

11121233212189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 37.

The spelling of 11121233212189 in words is "eleven trillion, one hundred twenty-one billion, two hundred thirty-three million, two hundred twelve thousand, one hundred eighty-nine".