121000121112151 has 2 divisors, whose sum is σ = 121000121112152. Its totient is φ = 121000121112150.

The previous prime is 121000121112077. The next prime is 121000121112179. The reversal of 121000121112151 is 151211121000121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121000121112151 - 2³⁵ = 120965761373783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121000121112251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60500060556075 + 60500060556076.

It is an arithmetic number, because the mean of its divisors is an integer number (60500060556076).

Almost surely, 2^{121000121112151} is an apocalyptic number.

121000121112151 is a deficient number, since it is larger than the sum of its proper divisors (1).

121000121112151 is an equidigital number, since it uses as much as digits as its factorization.

121000121112151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40, while the sum is 19.

Adding to 121000121112151 its reverse (151211121000121), we get a palindrome (272211242112272).

The spelling of 121000121112151 in words is "one hundred twenty-one trillion, one hundred twenty-one million, one hundred twelve thousand, one hundred fifty-one".