200121220229 has 4 divisors (see below), whose sum is σ = 228709965984. Its totient is φ = 171532474476.

The previous prime is 200121220193. The next prime is 200121220231. The reversal of 200121220229 is 922022121002.

200121220229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 200121220229 - 2¹² = 200121216133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200121220249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14294372867 + ... + 14294372880.

It is an arithmetic number, because the mean of its divisors is an integer number (57177491496).

Almost surely, 2^200121220229 is an apocalyptic number.

It is an amenable number.

200121220229 is a deficient number, since it is larger than the sum of its proper divisors (28588745755).

200121220229 is an equidigital number, since it uses as much as digits as its factorization.

200121220229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28588745754.

The product of its (nonzero) digits is 576, while the sum is 23.

The spelling of 200121220229 in words is "two hundred billion, one hundred twenty-one million, two hundred twenty thousand, two hundred twenty-nine".