1313120022121 has 8 divisors (see below), whose sum is σ = 1356846553088. Its totient is φ = 1269478980000.

The previous prime is 1313120022113. The next prime is 1313120022143. The reversal of 1313120022121 is 1212200213131.

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

It is a cyclic number.

It is not a de Polignac number, because 1313120022121 - 2³ = 1313120022113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1313120023121) 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, 21340980 + ... + 21402421.

It is an arithmetic number, because the mean of its divisors is an integer number (169605819136).

Almost surely, 2^{1313120022121} is an apocalyptic number.

It is an amenable number.

1313120022121 is a deficient number, since it is larger than the sum of its proper divisors (43726530967).

1313120022121 is an equidigital number, since it uses as much as digits as its factorization.

1313120022121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42744423.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1313120022121 its reverse (1212200213131), we get a palindrome (2525320235252).

The spelling of 1313120022121 in words is "one trillion, three hundred thirteen billion, one hundred twenty million, twenty-two thousand, one hundred twenty-one".