120231111302321 has 4 divisors (see below), whose sum is σ = 120376142800500. Its totient is φ = 120086079804144.

The previous prime is 120231111302299. The next prime is 120231111302339. The reversal of 120231111302321 is 123203111132021.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 49209383203600 + 71021728098721 = 7014940^2 + 8427439^2 .

It is a cyclic number.

It is not a de Polignac number, because 120231111302321 - 2³⁰ = 120230037560497 is a prime.

It is a super-2 number, since 2×120231111302321² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120231111301321) 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, 72515747846 + ... + 72515749503.

It is an arithmetic number, because the mean of its divisors is an integer number (30094035700125).

Almost surely, 2^{120231111302321} is an apocalyptic number.

It is an amenable number.

120231111302321 is a deficient number, since it is larger than the sum of its proper divisors (145031498179).

120231111302321 is an equidigital number, since it uses as much as digits as its factorization.

120231111302321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145031498178.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 120231111302321 its reverse (123203111132021), we get a palindrome (243434222434342).

The spelling of 120231111302321 in words is "one hundred twenty trillion, two hundred thirty-one billion, one hundred eleven million, three hundred two thousand, three hundred twenty-one".