100000222111 has 4 divisors (see below), whose sum is σ = 100000882800. Its totient is φ = 99999561424.

The previous prime is 100000222103. The next prime is 100000222139. The reversal of 100000222111 is 111222000001.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 100000222111 - 2³ = 100000222103 is a prime.

It is a super-3 number, since 3×100000222111³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100000252111) 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, 21870 + ... + 447748.

It is an arithmetic number, because the mean of its divisors is an integer number (25000220700).

Almost surely, 2^100000222111 is an apocalyptic number.

100000222111 is a deficient number, since it is larger than the sum of its proper divisors (660689).

100000222111 is an equidigital number, since it uses as much as digits as its factorization.

100000222111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660688.

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

Adding to 100000222111 its reverse (111222000001), we get a palindrome (211222222112).

The spelling of 100000222111 in words is "one hundred billion, two hundred twenty-two thousand, one hundred eleven".