121350311 has 2 divisors, whose sum is σ = 121350312. Its totient is φ = 121350310.

The previous prime is 121350293. The next prime is 121350329. The reversal of 121350311 is 113053121.

It is a balanced prime because it is at equal distance from previous prime (121350293) and next prime (121350329).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121350311 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121350311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121350371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60675155 + 60675156.

It is an arithmetic number, because the mean of its divisors is an integer number (60675156).

Almost surely, 2^121350311 is an apocalyptic number.

121350311 is a deficient number, since it is larger than the sum of its proper divisors (1).

121350311 is an equidigital number, since it uses as much as digits as its factorization.

121350311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 121350311 is about 11015.9117189636. The cubic root of 121350311 is about 495.0856036694.

The spelling of 121350311 in words is "one hundred twenty-one million, three hundred fifty thousand, three hundred eleven".