223210013121 has 8 divisors (see below), whose sum is σ = 330681500960. Its totient is φ = 148806675396.

The previous prime is 223210013083. The next prime is 223210013167. The reversal of 223210013121 is 121310012322.

It is not a de Polignac number, because 223210013121 - 2¹⁰ = 223210012097 is a prime.

It is a super-3 number, since 3×223210013121³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223210013094 and 223210013103.

It is not an unprimeable number, because it can be changed into a prime (223210013021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4133518735 + ... + 4133518788.

It is an arithmetic number, because the mean of its divisors is an integer number (41335187620).

Almost surely, 2^223210013121 is an apocalyptic number.

It is an amenable number.

223210013121 is a deficient number, since it is larger than the sum of its proper divisors (107471487839).

223210013121 is an equidigital number, since it uses as much as digits as its factorization.

223210013121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8267037532 (or 8267037526 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 223210013121 its reverse (121310012322), we get a palindrome (344520025443).

The spelling of 223210013121 in words is "two hundred twenty-three billion, two hundred ten million, thirteen thousand, one hundred twenty-one".