121032313357 has 2 divisors, whose sum is σ = 121032313358. Its totient is φ = 121032313356.

The previous prime is 121032313327. The next prime is 121032313361. The reversal of 121032313357 is 753313230121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96376718916 + 24655594441 = 310446^2 + 157021^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121032313357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121032313327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60516156678 + 60516156679.

It is an arithmetic number, because the mean of its divisors is an integer number (60516156679).

Almost surely, 2^121032313357 is an apocalyptic number.

It is an amenable number.

121032313357 is a deficient number, since it is larger than the sum of its proper divisors (1).

121032313357 is an equidigital number, since it uses as much as digits as its factorization.

121032313357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340, while the sum is 31.

Adding to 121032313357 its reverse (753313230121), we get a palindrome (874345543478).

The spelling of 121032313357 in words is "one hundred twenty-one billion, thirty-two million, three hundred thirteen thousand, three hundred fifty-seven".