1230331322111 has 4 divisors (see below), whose sum is σ = 1243015150272. Its totient is φ = 1217647493952.

The previous prime is 1230331322093. The next prime is 1230331322137. The reversal of 1230331322111 is 1112231330321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1230331322111 - 2⁶ = 1230331322047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230331322711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6341913935 + ... + 6341914128.

It is an arithmetic number, because the mean of its divisors is an integer number (310753787568).

Almost surely, 2^{1230331322111} is an apocalyptic number.

1230331322111 is a deficient number, since it is larger than the sum of its proper divisors (12683828161).

1230331322111 is an equidigital number, since it uses as much as digits as its factorization.

1230331322111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12683828160.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1230331322111 its reverse (1112231330321), we get a palindrome (2342562652432).

The spelling of 1230331322111 in words is "one trillion, two hundred thirty billion, three hundred thirty-one million, three hundred twenty-two thousand, one hundred eleven".