223020033212121 has 16 divisors (see below), whose sum is σ = 298608318391680. Its totient is φ = 148055944654080.

The previous prime is 223020033212087. The next prime is 223020033212129. The reversal of 223020033212121 is 121212330020322.

It is not a de Polignac number, because 223020033212121 - 2¹⁹ = 223020032687833 is a prime.

It is a super-3 number, since 3×223020033212121³ (a number of 44 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223020033212091 and 223020033212100.

It is not an unprimeable number, because it can be changed into a prime (223020033212129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7561795 + ... + 22432583.

It is an arithmetic number, because the mean of its divisors is an integer number (18663019899480).

Almost surely, 2^{223020033212121} is an apocalyptic number.

It is an amenable number.

223020033212121 is a deficient number, since it is larger than the sum of its proper divisors (75588285179559).

223020033212121 is a wasteful number, since it uses less digits than its factorization.

223020033212121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14891776.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 223020033212121 its reverse (121212330020322), we get a palindrome (344232363232443).

The spelling of 223020033212121 in words is "two hundred twenty-three trillion, twenty billion, thirty-three million, two hundred twelve thousand, one hundred twenty-one".