200131221110 has 32 divisors (see below), whose sum is σ = 372687164640. Its totient is φ = 77286037248.

The previous prime is 200131221079. The next prime is 200131221127. The reversal of 200131221110 is 11122131002.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6129689 + ... + 6162251.

It is an arithmetic number, because the mean of its divisors is an integer number (11646473895).

Almost surely, 2^200131221110 is an apocalyptic number.

200131221110 is a deficient number, since it is larger than the sum of its proper divisors (172555943530).

200131221110 is a wasteful number, since it uses less digits than its factorization.

200131221110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53792.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 200131221110 its reverse (11122131002), we get a palindrome (211253352112).

The spelling of 200131221110 in words is "two hundred billion, one hundred thirty-one million, two hundred twenty-one thousand, one hundred ten".