112210221111 has 8 divisors (see below), whose sum is σ = 152796897024. Its totient is φ = 73215179640.

The previous prime is 112210221103. The next prime is 112210221139. The reversal of 112210221111 is 111122012211.

It is a happy number.

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

It is not a de Polignac number, because 112210221111 - 2³ = 112210221103 is a prime.

It is a super-4 number, since 4×112210221111⁴ (a number of 45 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112210221181) 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, 397908445 + ... + 397908726.

It is an arithmetic number, because the mean of its divisors is an integer number (19099612128).

Almost surely, 2^112210221111 is an apocalyptic number.

112210221111 is a deficient number, since it is larger than the sum of its proper divisors (40586675913).

112210221111 is an equidigital number, since it uses as much as digits as its factorization.

112210221111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795817221.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 112210221111 its reverse (111122012211), we get a palindrome (223332233322).

The spelling of 112210221111 in words is "one hundred twelve billion, two hundred ten million, two hundred twenty-one thousand, one hundred eleven".