121341302145101 has 2 divisors, whose sum is σ = 121341302145102. Its totient is φ = 121341302145100.

The previous prime is 121341302145071. The next prime is 121341302145187. The reversal of 121341302145101 is 101541203143121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96252483397225 + 25088818747876 = 9810835^2 + 5008874^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121341302145101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121341302135101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60670651072550 + 60670651072551.

It is an arithmetic number, because the mean of its divisors is an integer number (60670651072551).

Almost surely, 2^{121341302145101} is an apocalyptic number.

It is an amenable number.

121341302145101 is a deficient number, since it is larger than the sum of its proper divisors (1).

121341302145101 is an equidigital number, since it uses as much as digits as its factorization.

121341302145101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 29.

Adding to 121341302145101 its reverse (101541203143121), we get a palindrome (222882505288222).

The spelling of 121341302145101 in words is "one hundred twenty-one trillion, three hundred forty-one billion, three hundred two million, one hundred forty-five thousand, one hundred one".