200130122221 has 4 divisors (see below), whose sum is σ = 200131966944. Its totient is φ = 200128277500.

The previous prime is 200130122207. The next prime is 200130122263. The reversal of 200130122221 is 122221031002.

It is a happy number.

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 200130122221 - 2⁵ = 200130122189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200130122195 and 200130122204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200130122281) 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, 748735 + ... + 980236.

It is an arithmetic number, because the mean of its divisors is an integer number (50032991736).

Almost surely, 2^200130122221 is an apocalyptic number.

It is an amenable number.

200130122221 is a deficient number, since it is larger than the sum of its proper divisors (1844723).

200130122221 is a wasteful number, since it uses less digits than its factorization.

200130122221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1844722.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 200130122221 its reverse (122221031002), we get a palindrome (322351153223).

The spelling of 200130122221 in words is "two hundred billion, one hundred thirty million, one hundred twenty-two thousand, two hundred twenty-one".