200121010110203 has 48 divisors (see below), whose sum is σ = 251244094752000. Its totient is φ = 157994576345088.

The previous prime is 200121010110191. The next prime is 200121010110223. The reversal of 200121010110203 is 302011010121002.

It is not a de Polignac number, because 200121010110203 - 2¹² = 200121010106107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (200121010110223) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7301274563 + ... + 7301301971.

It is an arithmetic number, because the mean of its divisors is an integer number (5234251974000).

Almost surely, 2^{200121010110203} is an apocalyptic number.

200121010110203 is a deficient number, since it is larger than the sum of its proper divisors (51123084641797).

200121010110203 is a wasteful number, since it uses less digits than its factorization.

200121010110203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51844 (or 51837 counting only the distinct ones).

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

Adding to 200121010110203 its reverse (302011010121002), we get a palindrome (502132020231205).

The spelling of 200121010110203 in words is "two hundred trillion, one hundred twenty-one billion, ten million, one hundred ten thousand, two hundred three".