1111201230321 has 72 divisors (see below), whose sum is σ = 2073634400160. Its totient is φ = 586128003552.

The previous prime is 1111201230313. The next prime is 1111201230389. The reversal of 1111201230321 is 1230321021111.

1111201230321 is a `hidden beast` number, since 1 + 1 + 112 + 0 + 1 + 230 + 321 = 666.

It is not a de Polignac number, because 1111201230321 - 2³ = 1111201230313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1111201230294 and 1111201230303.

It is not an unprimeable number, because it can be changed into a prime (1111201230221) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2261355 + ... + 2708528.

It is an arithmetic number, because the mean of its divisors is an integer number (28800477780).

Almost surely, 2^{1111201230321} is an apocalyptic number.

It is an amenable number.

1111201230321 is a deficient number, since it is larger than the sum of its proper divisors (962433169839).

1111201230321 is a wasteful number, since it uses less digits than its factorization.

1111201230321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4969932 (or 4969906 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1111201230321 its reverse (1230321021111), we get a palindrome (2341522251432).

The spelling of 1111201230321 in words is "one trillion, one hundred eleven billion, two hundred one million, two hundred thirty thousand, three hundred twenty-one".