121766210341 has 2 divisors, whose sum is σ = 121766210342. Its totient is φ = 121766210340.

The previous prime is 121766210333. The next prime is 121766210381. The reversal of 121766210341 is 143012667121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103230477025 + 18535733316 = 321295^2 + 136146^2 .

It is a cyclic number.

It is not a de Polignac number, because 121766210341 - 2³ = 121766210333 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121766210297 and 121766210306.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121766210381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60883105170 + 60883105171.

It is an arithmetic number, because the mean of its divisors is an integer number (60883105171).

Almost surely, 2^121766210341 is an apocalyptic number.

It is an amenable number.

121766210341 is a deficient number, since it is larger than the sum of its proper divisors (1).

121766210341 is an equidigital number, since it uses as much as digits as its factorization.

121766210341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 34.

Adding to 121766210341 its reverse (143012667121), we get a palindrome (264778877462).

The spelling of 121766210341 in words is "one hundred twenty-one billion, seven hundred sixty-six million, two hundred ten thousand, three hundred forty-one".