121030112021321 has 8 divisors (see below), whose sum is σ = 128243827310400. Its totient is φ = 113900767671600.

The previous prime is 121030112021279. The next prime is 121030112021327. The reversal of 121030112021321 is 123120211030121.

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 121030112021321 - 2¹⁰ = 121030112020297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121030112021293 and 121030112021302.

It is not an unprimeable number, because it can be changed into a prime (121030112021327) 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, 21092731886 + ... + 21092737623.

It is an arithmetic number, because the mean of its divisors is an integer number (16030478413800).

Almost surely, 2^{121030112021321} is an apocalyptic number.

It is an amenable number.

121030112021321 is a deficient number, since it is larger than the sum of its proper divisors (7213715289079).

121030112021321 is a wasteful number, since it uses less digits than its factorization.

121030112021321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42185469679.

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

Adding to 121030112021321 its reverse (123120211030121), we get a palindrome (244150323051442).

The spelling of 121030112021321 in words is "one hundred twenty-one trillion, thirty billion, one hundred twelve million, twenty-one thousand, three hundred twenty-one".