121311112230321 has 32 divisors (see below), whose sum is σ = 183637660765440. Its totient is φ = 70671053021184.

The previous prime is 121311112230311. The next prime is 121311112230323. The reversal of 121311112230321 is 123032211113121.

It is not a de Polignac number, because 121311112230321 - 2⁵ = 121311112230289 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121311112230291 and 121311112230300.

It is not an unprimeable number, because it can be changed into a prime (121311112230323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 697031176 + ... + 697205193.

It is an arithmetic number, because the mean of its divisors is an integer number (5738676898920).

Almost surely, 2^{121311112230321} is an apocalyptic number.

It is an amenable number.

121311112230321 is a deficient number, since it is larger than the sum of its proper divisors (62326548535119).

121311112230321 is a wasteful number, since it uses less digits than its factorization.

121311112230321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1394236505.

The product of its (nonzero) digits is 432, while the sum is 24.

Adding to 121311112230321 its reverse (123032211113121), we get a palindrome (244343323343442).

The spelling of 121311112230321 in words is "one hundred twenty-one trillion, three hundred eleven billion, one hundred twelve million, two hundred thirty thousand, three hundred twenty-one".