200121131110 has 16 divisors (see below), whose sum is σ = 360234238032. Its totient is φ = 80044852000.

The previous prime is 200121131087. The next prime is 200121131113. The reversal of 200121131110 is 11131121002.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200121131113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210541 + ... + 666760.

It is an arithmetic number, because the mean of its divisors is an integer number (22514639877).

Almost surely, 2^200121131110 is an apocalyptic number.

200121131110 is a deficient number, since it is larger than the sum of its proper divisors (160113106922).

200121131110 is a wasteful number, since it uses less digits than its factorization.

200121131110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900119.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 200121131110 its reverse (11131121002), we get a palindrome (211252252112).

The spelling of 200121131110 in words is "two hundred billion, one hundred twenty-one million, one hundred thirty-one thousand, one hundred ten".