223112100121 has 16 divisors (see below), whose sum is σ = 230085273600. Its totient is φ = 216253045008.

The previous prime is 223112100091. The next prime is 223112100137. The reversal of 223112100121 is 121001211322.

223112100121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 223112100121 - 2¹¹ = 223112098073 is a prime.

It is a super-3 number, since 3×223112100121³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223112100095 and 223112100104.

It is not an unprimeable number, because it can be changed into a prime (223112100161) 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 15 ways as a sum of consecutive naturals, for example, 3355626 + ... + 3421468.

It is an arithmetic number, because the mean of its divisors is an integer number (14380329600).

Almost surely, 2^223112100121 is an apocalyptic number.

It is an amenable number.

223112100121 is a deficient number, since it is larger than the sum of its proper divisors (6973173479).

223112100121 is an equidigital number, since it uses as much as digits as its factorization.

223112100121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66708.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 223112100121 its reverse (121001211322), we get a palindrome (344113311443).

The spelling of 223112100121 in words is "two hundred twenty-three billion, one hundred twelve million, one hundred thousand, one hundred twenty-one".