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200200221121221 = 32181991222290731
BaseRepresentation
bin101101100001010010111111…
…000100000101101011000101
3222020211221202121222212100200
4231201102333010011223011
5202220040023101334341
61545442413435001113
760111663052625016
oct5541227704055305
9866757677885320
10200200221121221
1158876489683162
121a554188b99199
138792a5234bbc9
143761a5722500d
151822a01b40db6
hexb614bf105ac5

200200221121221 has 12 divisors (see below), whose sum is σ = 289193987191200. Its totient is φ = 133459480227240.

The previous prime is 200200221121151. The next prime is 200200221121223. The reversal of 200200221121221 is 122121122002002.

It is a happy number.

200200221121221 is a `hidden beast` number, since 2 + 0 + 0 + 200 + 221 + 1 + 21 + 221 = 666.

It is not a de Polignac number, because 200200221121221 - 29 = 200200221120709 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 200200221121194 and 200200221121203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200200221121223) 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 11 ways as a sum of consecutive naturals, for example, 610981575 + ... + 611309156.

It is an arithmetic number, because the mean of its divisors is an integer number (24099498932600).

Almost surely, 2200200221121221 is an apocalyptic number.

It is an amenable number.

200200221121221 is a deficient number, since it is larger than the sum of its proper divisors (88993766069979).

200200221121221 is a wasteful number, since it uses less digits than its factorization.

200200221121221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222308936 (or 1222308933 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 200200221121221 its reverse (122121122002002), we get a palindrome (322321343123223).

The spelling of 200200221121221 in words is "two hundred trillion, two hundred billion, two hundred twenty-one million, one hundred twenty-one thousand, two hundred twenty-one".

Divisors: 1 3 9 18199 54597 163791 1222290731 3666872193 11000616579 22244469013469 66733407040407 200200221121221