200221103440234 has 4 divisors (see below), whose sum is σ = 300331655160354. Its totient is φ = 100110551720116.

The previous prime is 200221103440187. The next prime is 200221103440273. The reversal of 200221103440234 is 432044301122002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 105294995982225 + 94926107458009 = 10261335^2 + 9743003^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50055275860057 + ... + 50055275860060.

Almost surely, 2^{200221103440234} is an apocalyptic number.

200221103440234 is a deficient number, since it is larger than the sum of its proper divisors (100110551720120).

200221103440234 is a wasteful number, since it uses less digits than its factorization.

200221103440234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100110551720119.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 200221103440234 its reverse (432044301122002), we get a palindrome (632265404562236).

The spelling of 200221103440234 in words is "two hundred trillion, two hundred twenty-one billion, one hundred three million, four hundred forty thousand, two hundred thirty-four".