112222121011 has 24 divisors (see below), whose sum is σ = 151503761664. Its totient is φ = 80719198560.

The previous prime is 112222120939. The next prime is 112222121021. The reversal of 112222121011 is 110121222211.

It is not a de Polignac number, because 112222121011 - 2²³ = 112213732403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112222121021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4298911 + ... + 4324936.

It is an arithmetic number, because the mean of its divisors is an integer number (6312656736).

Almost surely, 2^112222121011 is an apocalyptic number.

112222121011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

112222121011 is a deficient number, since it is larger than the sum of its proper divisors (39281640653).

112222121011 is a wasteful number, since it uses less digits than its factorization.

112222121011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8623891 (or 8623878 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 112222121011 its reverse (110121222211), we get a palindrome (222343343222).

The spelling of 112222121011 in words is "one hundred twelve billion, two hundred twenty-two million, one hundred twenty-one thousand, eleven".