221013430021233 has 16 divisors (see below), whose sum is σ = 346687733367360. Its totient is φ = 138675093346368.

The previous prime is 221013430021231. The next prime is 221013430021249. The reversal of 221013430021233 is 332120034310122.

221013430021233 is a `hidden beast` number, since 2 + 2 + 1 + 0 + 13 + 430 + 0 + 212 + 3 + 3 = 666.

It is not a de Polignac number, because 221013430021233 - 2¹ = 221013430021231 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 221013430021197 and 221013430021206.

It is not an unprimeable number, because it can be changed into a prime (221013430021231) 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, 240755369935 + ... + 240755370852.

It is an arithmetic number, because the mean of its divisors is an integer number (21667983335460).

Almost surely, 2^{221013430021233} is an apocalyptic number.

It is an amenable number.

221013430021233 is a deficient number, since it is larger than the sum of its proper divisors (125674303346127).

221013430021233 is a wasteful number, since it uses less digits than its factorization.

221013430021233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481510740813 (or 481510740807 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 221013430021233 its reverse (332120034310122), we get a palindrome (553133464331355).

The spelling of 221013430021233 in words is "two hundred twenty-one trillion, thirteen billion, four hundred thirty million, twenty-one thousand, two hundred thirty-three".