121376170233551 has 2 divisors, whose sum is σ = 121376170233552. Its totient is φ = 121376170233550.

The previous prime is 121376170233509. The next prime is 121376170233589. The reversal of 121376170233551 is 155332071673121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121376170233551 - 2¹⁴ = 121376170217167 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121376170233496 and 121376170233505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121376170239551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60688085116775 + 60688085116776.

It is an arithmetic number, because the mean of its divisors is an integer number (60688085116776).

Almost surely, 2^{121376170233551} is an apocalyptic number.

121376170233551 is a deficient number, since it is larger than the sum of its proper divisors (1).

121376170233551 is an equidigital number, since it uses as much as digits as its factorization.

121376170233551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 793800, while the sum is 47.

The spelling of 121376170233551 in words is "one hundred twenty-one trillion, three hundred seventy-six billion, one hundred seventy million, two hundred thirty-three thousand, five hundred fifty-one".