221000010203 has 32 divisors (see below), whose sum is σ = 267873830400. Its totient is φ = 178297894656.

The previous prime is 221000010199. The next prime is 221000010227. The reversal of 221000010203 is 302010000122.

It is a happy number.

221000010203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 221000010203 - 2² = 221000010199 is a prime.

It is a super-2 number, since 2×221000010203² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221000010233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4541063 + ... + 4589471.

It is an arithmetic number, because the mean of its divisors is an integer number (8371057200).

Almost surely, 2^221000010203 is an apocalyptic number.

221000010203 is a deficient number, since it is larger than the sum of its proper divisors (46873820197).

221000010203 is a wasteful number, since it uses less digits than its factorization.

221000010203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49011.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 221000010203 its reverse (302010000122), we get a palindrome (523010010325).

The spelling of 221000010203 in words is "two hundred twenty-one billion, ten thousand, two hundred three".