100223111 has 4 divisors (see below), whose sum is σ = 100252152. Its totient is φ = 100194072.

The previous prime is 100223099. The next prime is 100223131. The reversal of 100223111 is 111322001.

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

It is a cyclic number.

It is not a de Polignac number, because 100223111 - 2²⁶ = 33114247 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100223092 and 100223101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100223131) 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, 8516 + ... + 16521.

It is an arithmetic number, because the mean of its divisors is an integer number (25063038).

Almost surely, 2^100223111 is an apocalyptic number.

100223111 is a deficient number, since it is larger than the sum of its proper divisors (29041).

100223111 is an equidigital number, since it uses as much as digits as its factorization.

100223111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29040.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 100223111 is about 10011.1493346169. The cubic root of 100223111 is about 464.5038234640.

Adding to 100223111 its reverse (111322001), we get a palindrome (211545112).

The spelling of 100223111 in words is "one hundred million, two hundred twenty-three thousand, one hundred eleven".