200121221110 has 8 divisors (see below), whose sum is σ = 360218198016. Its totient is φ = 80048488440.

The previous prime is 200121221107. The next prime is 200121221119. The reversal of 200121221110 is 11122121002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200121221119) 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, 10006061046 + ... + 10006061065.

It is an arithmetic number, because the mean of its divisors is an integer number (45027274752).

Almost surely, 2^200121221110 is an apocalyptic number.

200121221110 is a deficient number, since it is larger than the sum of its proper divisors (160096976906).

200121221110 is a wasteful number, since it uses less digits than its factorization.

200121221110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20012122118.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 200121221110 its reverse (11122121002), we get a palindrome (211243342112).

The spelling of 200121221110 in words is "two hundred billion, one hundred twenty-one million, two hundred twenty-one thousand, one hundred ten".