200121133221112 has 16 divisors (see below), whose sum is σ = 375236396902800. Its totient is φ = 100058094047040.

The previous prime is 200121133221067. The next prime is 200121133221151. The reversal of 200121133221112 is 211122331121002.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 308726437 + ... + 309373972.

It is an arithmetic number, because the mean of its divisors is an integer number (23452274806425).

Almost surely, 2^{200121133221112} is an apocalyptic number.

It is an amenable number.

200121133221112 is a deficient number, since it is larger than the sum of its proper divisors (175115263681688).

200121133221112 is a wasteful number, since it uses less digits than its factorization.

200121133221112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618140886 (or 618140882 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 200121133221112 its reverse (211122331121002), we get a palindrome (411243464342114).

The spelling of 200121133221112 in words is "two hundred trillion, one hundred twenty-one billion, one hundred thirty-three million, two hundred twenty-one thousand, one hundred twelve".