121132324109 has 2 divisors, whose sum is σ = 121132324110. Its totient is φ = 121132324108.

The previous prime is 121132324067. The next prime is 121132324111. The reversal of 121132324109 is 901423231121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108260740900 + 12871583209 = 329030^2 + 113453^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121132324109 is a prime.

Together with 121132324111, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121132324129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60566162054 + 60566162055.

It is an arithmetic number, because the mean of its divisors is an integer number (60566162055).

Almost surely, 2^121132324109 is an apocalyptic number.

It is an amenable number.

121132324109 is a deficient number, since it is larger than the sum of its proper divisors (1).

121132324109 is an equidigital number, since it uses as much as digits as its factorization.

121132324109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 29.

The spelling of 121132324109 in words is "one hundred twenty-one billion, one hundred thirty-two million, three hundred twenty-four thousand, one hundred nine".