121202212211189 has 2 divisors, whose sum is σ = 121202212211190. Its totient is φ = 121202212211188.

The previous prime is 121202212211173. The next prime is 121202212211233. The reversal of 121202212211189 is 981112212202121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86619932562289 + 34582279648900 = 9306983^2 + 5880670^2 .

It is a cyclic number.

It is not a de Polignac number, because 121202212211189 - 2⁴ = 121202212211173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121202211211189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60601106105594 + 60601106105595.

It is an arithmetic number, because the mean of its divisors is an integer number (60601106105595).

Almost surely, 2^{121202212211189} is an apocalyptic number.

It is an amenable number.

121202212211189 is a deficient number, since it is larger than the sum of its proper divisors (1).

121202212211189 is an equidigital number, since it uses as much as digits as its factorization.

121202212211189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 35.

The spelling of 121202212211189 in words is "one hundred twenty-one trillion, two hundred two billion, two hundred twelve million, two hundred eleven thousand, one hundred eighty-nine".