121541015341 has 2 divisors, whose sum is σ = 121541015342. Its totient is φ = 121541015340.

The previous prime is 121541015339. The next prime is 121541015353. The reversal of 121541015341 is 143510145121.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70408499716 + 51132515625 = 265346^2 + 226125^2 .

It is a cyclic number.

It is not a de Polignac number, because 121541015341 - 2¹ = 121541015339 is a prime.

Together with 121541015339, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121541015311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60770507670 + 60770507671.

It is an arithmetic number, because the mean of its divisors is an integer number (60770507671).

Almost surely, 2^121541015341 is an apocalyptic number.

It is an amenable number.

121541015341 is a deficient number, since it is larger than the sum of its proper divisors (1).

121541015341 is an equidigital number, since it uses as much as digits as its factorization.

121541015341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2400, while the sum is 28.

The spelling of 121541015341 in words is "one hundred twenty-one billion, five hundred forty-one million, fifteen thousand, three hundred forty-one".