200121102110 has 16 divisors (see below), whose sum is σ = 360237985632. Its totient is φ = 80043996000.

The previous prime is 200121102091. The next prime is 200121102119. The reversal of 200121102110 is 11201121002.

It is a junction number, because it is equal to n+sod(n) for n = 200121102091 and 200121102100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200121102119) 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, 363341 + ... + 729560.

It is an arithmetic number, because the mean of its divisors is an integer number (22514874102).

Almost surely, 2^200121102110 is an apocalyptic number.

200121102110 is a deficient number, since it is larger than the sum of its proper divisors (160116883522).

200121102110 is a wasteful number, since it uses less digits than its factorization.

200121102110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111219.

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

Adding to 200121102110 its reverse (11201121002), we get a palindrome (211322223112).

The spelling of 200121102110 in words is "two hundred billion, one hundred twenty-one million, one hundred two thousand, one hundred ten".