121322231313 has 8 divisors (see below), whose sum is σ = 163810608000. Its totient is φ = 79857671088.

The previous prime is 121322231299. The next prime is 121322231347. The reversal of 121322231313 is 313132223121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-121322231313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121322231383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255953838 + ... + 255954311.

It is an arithmetic number, because the mean of its divisors is an integer number (20476326000).

Almost surely, 2^121322231313 is an apocalyptic number.

It is an amenable number.

121322231313 is a deficient number, since it is larger than the sum of its proper divisors (42488376687).

121322231313 is an equidigital number, since it uses as much as digits as its factorization.

121322231313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511908231.

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

Adding to 121322231313 its reverse (313132223121), we get a palindrome (434454454434).

The spelling of 121322231313 in words is "one hundred twenty-one billion, three hundred twenty-two million, two hundred thirty-one thousand, three hundred thirteen".