200120222221 has 4 divisors (see below), whose sum is σ = 208821101472. Its totient is φ = 191419342972.

The previous prime is 200120222219. The next prime is 200120222249. The reversal of 200120222221 is 122222021002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 200120222221 - 2¹ = 200120222219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200120222195 and 200120222204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200120222201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4350439591 + ... + 4350439636.

It is an arithmetic number, because the mean of its divisors is an integer number (52205275368).

Almost surely, 2^200120222221 is an apocalyptic number.

It is an amenable number.

200120222221 is a deficient number, since it is larger than the sum of its proper divisors (8700879251).

200120222221 is an equidigital number, since it uses as much as digits as its factorization.

200120222221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8700879250.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 200120222221 its reverse (122222021002), we get a palindrome (322342243223).

The spelling of 200120222221 in words is "two hundred billion, one hundred twenty million, two hundred twenty-two thousand, two hundred twenty-one".