121002032111321 has 8 divisors (see below), whose sum is σ = 127777494820320. Its totient is φ = 114267262872672.

The previous prime is 121002032111273. The next prime is 121002032111327. The reversal of 121002032111321 is 123111230200121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121002032111321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121002032111293 and 121002032111302.

It is not an unprimeable number, because it can be changed into a prime (121002032111327) 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, 10173361475 + ... + 10173373368.

It is an arithmetic number, because the mean of its divisors is an integer number (15972186852540).

Almost surely, 2^{121002032111321} is an apocalyptic number.

It is an amenable number.

121002032111321 is a deficient number, since it is larger than the sum of its proper divisors (6775462708999).

121002032111321 is a wasteful number, since it uses less digits than its factorization.

121002032111321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20346735175.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 121002032111321 its reverse (123111230200121), we get a palindrome (244113262311442).

The spelling of 121002032111321 in words is "one hundred twenty-one trillion, two billion, thirty-two million, one hundred eleven thousand, three hundred twenty-one".