1201313322121 has 8 divisors (see below), whose sum is σ = 1310669848800. Its totient is φ = 1091981166240.

The previous prime is 1201313322109. The next prime is 1201313322227. The reversal of 1201313322121 is 1212233131021.

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 1201313322121 - 2¹⁹ = 1201312797833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1201313322092 and 1201313322101.

It is not an unprimeable number, because it can be changed into a prime (1201313322101) 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, 5989551 + ... + 6186868.

It is an arithmetic number, because the mean of its divisors is an integer number (163833731100).

Almost surely, 2^{1201313322121} is an apocalyptic number.

1201313322121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1201313322121 is a deficient number, since it is larger than the sum of its proper divisors (109356526679).

1201313322121 is a wasteful number, since it uses less digits than its factorization.

1201313322121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12185399.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1201313322121 its reverse (1212233131021), we get a palindrome (2413546453142).

The spelling of 1201313322121 in words is "one trillion, two hundred one billion, three hundred thirteen million, three hundred twenty-two thousand, one hundred twenty-one".