203220221101 has 8 divisors (see below), whose sum is σ = 224529758784. Its totient is φ = 182950173120.

The previous prime is 203220221089. The next prime is 203220221131. The reversal of 203220221101 is 101122022302.

It is a happy number.

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 203220221101 - 2¹¹ = 203220219053 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 (203220221131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259872015 + ... + 259872796.

It is an arithmetic number, because the mean of its divisors is an integer number (28066219848).

Almost surely, 2^203220221101 is an apocalyptic number.

It is an amenable number.

203220221101 is a deficient number, since it is larger than the sum of its proper divisors (21309537683).

203220221101 is a wasteful number, since it uses less digits than its factorization.

203220221101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519744851.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 203220221101 its reverse (101122022302), we get a palindrome (304342243403).

The spelling of 203220221101 in words is "two hundred three billion, two hundred twenty million, two hundred twenty-one thousand, one hundred one".