100323221111 has 4 divisors (see below), whose sum is σ = 100325029224. Its totient is φ = 100321413000.

The previous prime is 100323221107. The next prime is 100323221113. The reversal of 100323221111 is 111122323001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111122323001 = 41 ⋅2710300561.

It is a cyclic number.

It is not a de Polignac number, because 100323221111 - 2² = 100323221107 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100323221111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100323221113) 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, 818105 + ... + 932706.

It is an arithmetic number, because the mean of its divisors is an integer number (25081257306).

Almost surely, 2^100323221111 is an apocalyptic number.

100323221111 is a deficient number, since it is larger than the sum of its proper divisors (1808113).

100323221111 is an equidigital number, since it uses as much as digits as its factorization.

100323221111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1808112.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 100323221111 its reverse (111122323001), we get a palindrome (211445544112).

The spelling of 100323221111 in words is "one hundred billion, three hundred twenty-three million, two hundred twenty-one thousand, one hundred eleven".