2301321321121 has 4 divisors (see below), whose sum is σ = 2301553764244. Its totient is φ = 2301088878000.

The previous prime is 2301321321107. The next prime is 2301321321127. The reversal of 2301321321121 is 1211231231032.

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 2067196950625 + 234124370496 = 1437775^2 + 483864^2 .

It is a cyclic number.

It is not a de Polignac number, because 2301321321121 - 2⁷ = 2301321320993 is a prime.

It is a super-2 number, since 2×2301321321121² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2301321321092 and 2301321321101.

It is not an unprimeable number, because it can be changed into a prime (2301321321127) 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, 116206710 + ... + 116226511.

It is an arithmetic number, because the mean of its divisors is an integer number (575388441061).

Almost surely, 2^{2301321321121} is an apocalyptic number.

It is an amenable number.

2301321321121 is a deficient number, since it is larger than the sum of its proper divisors (232443123).

2301321321121 is an equidigital number, since it uses as much as digits as its factorization.

2301321321121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232443122.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 2301321321121 its reverse (1211231231032), we get a palindrome (3512552552153).

The spelling of 2301321321121 in words is "two trillion, three hundred one billion, three hundred twenty-one million, three hundred twenty-one thousand, one hundred twenty-one".