200221121223 has 6 divisors (see below), whose sum is σ = 289208286224. Its totient is φ = 133480747476.

The previous prime is 200221121213. The next prime is 200221121227. The reversal of 200221121223 is 322121122002.

200221121223 is a `hidden beast` number, since 200 + 221 + 1 + 21 + 223 = 666.

It is not a de Polignac number, because 200221121223 - 2¹³ = 200221113031 is a prime.

It is a super-2 number, since 2×200221121223² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200221121196 and 200221121205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200221121227) 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 5 ways as a sum of consecutive naturals, for example, 11123395615 + ... + 11123395632.

Almost surely, 2^200221121223 is an apocalyptic number.

200221121223 is a deficient number, since it is larger than the sum of its proper divisors (88987165001).

200221121223 is a wasteful number, since it uses less digits than its factorization.

200221121223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22246791253 (or 22246791250 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 200221121223 its reverse (322121122002), we get a palindrome (522342243225).

The spelling of 200221121223 in words is "two hundred billion, two hundred twenty-one million, one hundred twenty-one thousand, two hundred twenty-three".