121033313 has 2 divisors, whose sum is σ = 121033314. Its totient is φ = 121033312.

The previous prime is 121033309. The next prime is 121033321. The reversal of 121033313 is 313330121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102171664 + 18861649 = 10108^2 + 4343^2 .

It is a cyclic number.

It is not a de Polignac number, because 121033313 - 2² = 121033309 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121033291 and 121033300.

It is not a weakly prime, because it can be changed into another prime (121033303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60516656 + 60516657.

It is an arithmetic number, because the mean of its divisors is an integer number (60516657).

Almost surely, 2^121033313 is an apocalyptic number.

It is an amenable number.

121033313 is a deficient number, since it is larger than the sum of its proper divisors (1).

121033313 is an equidigital number, since it uses as much as digits as its factorization.

121033313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 121033313 is about 11001.5141230651. The cubic root of 121033313 is about 494.6541310720.

Adding to 121033313 its reverse (313330121), we get a palindrome (434363434).

The spelling of 121033313 in words is "one hundred twenty-one million, thirty-three thousand, three hundred thirteen".