1230111302321 has 4 divisors (see below), whose sum is σ = 1341939602544. Its totient is φ = 1118283002100.

The previous prime is 1230111302311. The next prime is 1230111302339. The reversal of 1230111302321 is 1232031110321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1230111302321 - 2⁶ = 1230111302257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1230111302293 and 1230111302302.

It is not an unprimeable number, because it can be changed into a prime (1230111302311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55914150095 + ... + 55914150116.

It is an arithmetic number, because the mean of its divisors is an integer number (335484900636).

Almost surely, 2^{1230111302321} is an apocalyptic number.

1230111302321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1230111302321 is a deficient number, since it is larger than the sum of its proper divisors (111828300223).

1230111302321 is a wasteful number, since it uses less digits than its factorization.

1230111302321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111828300222.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1230111302321 its reverse (1232031110321), we get a palindrome (2462142412642).

The spelling of 1230111302321 in words is "one trillion, two hundred thirty billion, one hundred eleven million, three hundred two thousand, three hundred twenty-one".