223001211021321 has 16 divisors (see below), whose sum is σ = 305907707980800. Its totient is φ = 144395217203328.

The previous prime is 223001211021311. The next prime is 223001211021343. The reversal of 223001211021321 is 123120112100322.

It is not a de Polignac number, because 223001211021321 - 2¹³ = 223001211013129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (223001211021311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1765332201 + ... + 1765458518.

It is an arithmetic number, because the mean of its divisors is an integer number (19119231748800).

Almost surely, 2^{223001211021321} is an apocalyptic number.

It is an amenable number.

223001211021321 is a deficient number, since it is larger than the sum of its proper divisors (82906496959479).

223001211021321 is a wasteful number, since it uses less digits than its factorization.

223001211021321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3530791328.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 223001211021321 its reverse (123120112100322), we get a palindrome (346121323121643).

The spelling of 223001211021321 in words is "two hundred twenty-three trillion, one billion, two hundred eleven million, twenty-one thousand, three hundred twenty-one".