121255013242001 has 2 divisors, whose sum is σ = 121255013242002. Its totient is φ = 121255013242000.

The previous prime is 121255013241991. The next prime is 121255013242091. The reversal of 121255013242001 is 100242310552121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120558204010000 + 696809232001 = 10979900^2 + 834751^2 .

It is a cyclic number.

It is not a de Polignac number, because 121255013242001 - 2⁴² = 116856966730897 is a prime.

It is not a weakly prime, because it can be changed into another prime (121255013242091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60627506621000 + 60627506621001.

It is an arithmetic number, because the mean of its divisors is an integer number (60627506621001).

Almost surely, 2^{121255013242001} is an apocalyptic number.

It is an amenable number.

121255013242001 is a deficient number, since it is larger than the sum of its proper divisors (1).

121255013242001 is an equidigital number, since it uses as much as digits as its factorization.

121255013242001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 121255013242001 its reverse (100242310552121), we get a palindrome (221497323794122).

The spelling of 121255013242001 in words is "one hundred twenty-one trillion, two hundred fifty-five billion, thirteen million, two hundred forty-two thousand, one".