100011222111 has 8 divisors (see below), whose sum is σ = 136952304304. Its totient is φ = 64872144000.

The previous prime is 100011222107. The next prime is 100011222137. The reversal of 100011222111 is 111222110001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100011222111 - 2² = 100011222107 is a prime.

It is a super-3 number, since 3×100011222111³ (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 (100011222151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 450500890 + ... + 450501111.

It is an arithmetic number, because the mean of its divisors is an integer number (17119038038).

Almost surely, 2^100011222111 is an apocalyptic number.

100011222111 is a deficient number, since it is larger than the sum of its proper divisors (36941082193).

100011222111 is an equidigital number, since it uses as much as digits as its factorization.

100011222111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901002041.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 100011222111 its reverse (111222110001), we get a palindrome (211233332112).

The spelling of 100011222111 in words is "one hundred billion, eleven million, two hundred twenty-two thousand, one hundred eleven".