200121221102303 has 8 divisors (see below), whose sum is σ = 201155202990720. Its totient is φ = 199088575974040.

The previous prime is 200121221102227. The next prime is 200121221102347. The reversal of 200121221102303 is 303201122121002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 200121221102303 - 2³⁴ = 200104041233119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200121221104303) 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, 333889853 + ... + 334488678.

It is an arithmetic number, because the mean of its divisors is an integer number (25144400373840).

Almost surely, 2^{200121221102303} is an apocalyptic number.

200121221102303 is a deficient number, since it is larger than the sum of its proper divisors (1033981888417).

200121221102303 is a wasteful number, since it uses less digits than its factorization.

200121221102303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668380077.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 200121221102303 its reverse (303201122121002), we get a palindrome (503322343223305).

The spelling of 200121221102303 in words is "two hundred trillion, one hundred twenty-one billion, two hundred twenty-one million, one hundred two thousand, three hundred three".