200121221101303 has 12 divisors (see below), whose sum is σ = 215193331068408. Its totient is φ = 186011383250160.

The previous prime is 200121221101301. The next prime is 200121221101327. The reversal of 200121221101303 is 303101122121002.

It is not a de Polignac number, because 200121221101303 - 2¹ = 200121221101301 is a prime.

It is a super-2 number, since 2×200121221101303² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200121221101301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5229720613 + ... + 5229758878.

It is an arithmetic number, because the mean of its divisors is an integer number (17932777589034).

Almost surely, 2^{200121221101303} is an apocalyptic number.

200121221101303 is a deficient number, since it is larger than the sum of its proper divisors (15072109967105).

200121221101303 is a wasteful number, since it uses less digits than its factorization.

200121221101303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10459479582 (or 10459479563 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 200121221101303 its reverse (303101122121002), we get a palindrome (503222343222305).

The spelling of 200121221101303 in words is "two hundred trillion, one hundred twenty-one billion, two hundred twenty-one million, one hundred one thousand, three hundred three".