100003221111 has 4 divisors (see below), whose sum is σ = 133337628152. Its totient is φ = 66668814072.

The previous prime is 100003221011. The next prime is 100003221121. The reversal of 100003221111 is 111122300001.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 100003221111 - 2¹³ = 100003212919 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 (100003221121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16667203516 + ... + 16667203521.

It is an arithmetic number, because the mean of its divisors is an integer number (33334407038).

Almost surely, 2^100003221111 is an apocalyptic number.

100003221111 is a deficient number, since it is larger than the sum of its proper divisors (33334407041).

100003221111 is an equidigital number, since it uses as much as digits as its factorization.

100003221111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33334407040.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 100003221111 its reverse (111122300001), we get a palindrome (211125521112).

The spelling of 100003221111 in words is "one hundred billion, three million, two hundred twenty-one thousand, one hundred eleven".