223031301121 has 4 divisors (see below), whose sum is σ = 227239438932. Its totient is φ = 218823163312.

The previous prime is 223031301113. The next prime is 223031301137. The reversal of 223031301121 is 121103130322.

223031301121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 121103130322 = 2 ⋅60551565161.

It can be written as a sum of positive squares in 2 ways, for example, as 116974260225 + 106057040896 = 342015^2 + 325664^2 .

It is a cyclic number.

It is not a de Polignac number, because 223031301121 - 2³ = 223031301113 is a prime.

It is a super-2 number, since 2×223031301121² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223031301191) 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, 2104068826 + ... + 2104068931.

It is an arithmetic number, because the mean of its divisors is an integer number (56809859733).

Almost surely, 2^223031301121 is an apocalyptic number.

It is an amenable number.

223031301121 is a deficient number, since it is larger than the sum of its proper divisors (4208137811).

223031301121 is an equidigital number, since it uses as much as digits as its factorization.

223031301121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4208137810.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 223031301121 its reverse (121103130322), we get a palindrome (344134431443).

The spelling of 223031301121 in words is "two hundred twenty-three billion, thirty-one million, three hundred one thousand, one hundred twenty-one".