222100111 has 8 divisors (see below), whose sum is σ = 225218448. Its totient is φ = 219000000.

The previous prime is 222100103. The next prime is 222100127. The reversal of 222100111 is 111001222.

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 222100111 - 2³ = 222100103 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 (222100211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20971 + ... + 29731.

It is an arithmetic number, because the mean of its divisors is an integer number (28152306).

Almost surely, 2^222100111 is an apocalyptic number.

222100111 is a deficient number, since it is larger than the sum of its proper divisors (3118337).

222100111 is a wasteful number, since it uses less digits than its factorization.

222100111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9113.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 222100111 is about 14903.0235522863. The cubic root of 222100111 is about 605.5958985414.

Adding to 222100111 its reverse (111001222), we get a palindrome (333101333).

The spelling of 222100111 in words is "two hundred twenty-two million, one hundred thousand, one hundred eleven".