121022201189 has 2 divisors, whose sum is σ = 121022201190. Its totient is φ = 121022201188.

The previous prime is 121022201149. The next prime is 121022201213. The reversal of 121022201189 is 981102220121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110783796964 + 10238404225 = 332842^2 + 101185^2 .

It is a cyclic number.

It is not a de Polignac number, because 121022201189 - 2⁸ = 121022200933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121022201149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60511100594 + 60511100595.

It is an arithmetic number, because the mean of its divisors is an integer number (60511100595).

Almost surely, 2^121022201189 is an apocalyptic number.

It is an amenable number.

121022201189 is a deficient number, since it is larger than the sum of its proper divisors (1).

121022201189 is an equidigital number, since it uses as much as digits as its factorization.

121022201189 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 121022201189 in words is "one hundred twenty-one billion, twenty-two million, two hundred one thousand, one hundred eighty-nine".