203221111104 has 336 divisors, whose sum is σ = 647957007360. Its totient is φ = 60379038720.

The previous prime is 203221111091. The next prime is 203221111207. The reversal of 203221111104 is 401111122302.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 101457367 + ... + 101459369.

Almost surely, 2^203221111104 is an apocalyptic number.

203221111104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203221111104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (323978503680).

203221111104 is an abundant number, since it is smaller than the sum of its proper divisors (444735896256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203221111104 is a wasteful number, since it uses less digits than its factorization.

203221111104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2338 (or 2325 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 203221111104 its reverse (401111122302), we get a palindrome (604332233406).

The spelling of 203221111104 in words is "two hundred three billion, two hundred twenty-one million, one hundred eleven thousand, one hundred four".