200121120110 has 16 divisors (see below), whose sum is σ = 360232245216. Its totient is φ = 80045286048.

The previous prime is 200121120041. The next prime is 200121120137. The reversal of 200121120110 is 11021121002.

It is a junction number, because it is equal to n+sod(n) for n = 200121120091 and 200121120100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120329 + ... + 643988.

It is an arithmetic number, because the mean of its divisors is an integer number (22514515326).

Almost surely, 2^200121120110 is an apocalyptic number.

200121120110 is a deficient number, since it is larger than the sum of its proper divisors (160111125106).

200121120110 is a wasteful number, since it uses less digits than its factorization.

200121120110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790507.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 200121120110 its reverse (11021121002), we get a palindrome (211142241112).

The spelling of 200121120110 in words is "two hundred billion, one hundred twenty-one million, one hundred twenty thousand, one hundred ten".