121113310330357 has 2 divisors, whose sum is σ = 121113310330358. Its totient is φ = 121113310330356.

The previous prime is 121113310330303. The next prime is 121113310330367. The reversal of 121113310330357 is 753033013311121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116551694319921 + 4561616010436 = 10795911^2 + 2135794^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121113310330357 is a prime.

It is a super-2 number, since 2×121113310330357² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121113310330367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60556655165178 + 60556655165179.

It is an arithmetic number, because the mean of its divisors is an integer number (60556655165179).

Almost surely, 2^{121113310330357} is an apocalyptic number.

It is an amenable number.

121113310330357 is a deficient number, since it is larger than the sum of its proper divisors (1).

121113310330357 is an equidigital number, since it uses as much as digits as its factorization.

121113310330357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17010, while the sum is 34.

Adding to 121113310330357 its reverse (753033013311121), we get a palindrome (874146323641478).

The spelling of 121113310330357 in words is "one hundred twenty-one trillion, one hundred thirteen billion, three hundred ten million, three hundred thirty thousand, three hundred fifty-seven".