121123223313 has 16 divisors (see below), whose sum is σ = 171062282880. Its totient is φ = 75970089216.

The previous prime is 121123223267. The next prime is 121123223339. The reversal of 121123223313 is 313322321121.

It is not a de Polignac number, because 121123223313 - 2⁸ = 121123223057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121123223363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 313618 + ... + 583611.

It is an arithmetic number, because the mean of its divisors is an integer number (10691392680).

Almost surely, 2^121123223313 is an apocalyptic number.

It is an amenable number.

121123223313 is a deficient number, since it is larger than the sum of its proper divisors (49939059567).

121123223313 is a wasteful number, since it uses less digits than its factorization.

121123223313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899896.

The product of its digits is 1296, while the sum is 24.

Adding to 121123223313 its reverse (313322321121), we get a palindrome (434445544434).

The spelling of 121123223313 in words is "one hundred twenty-one billion, one hundred twenty-three million, two hundred twenty-three thousand, three hundred thirteen".