112222000121 has 64 divisors (see below), whose sum is σ = 149702307840. Its totient is φ = 81484704000.

The previous prime is 112222000109. The next prime is 112222000123. The reversal of 112222000121 is 121000222211.

It is a de Polignac number, because none of the positive numbers 2^k-112222000121 is a prime.

It is a super-2 number, since 2×112222000121² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112222000096 and 112222000105.

It is not an unprimeable number, because it can be changed into a prime (112222000123) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 56194295 + ... + 56196291.

It is an arithmetic number, because the mean of its divisors is an integer number (2339098560).

Almost surely, 2^112222000121 is an apocalyptic number.

112222000121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112222000121 is a deficient number, since it is larger than the sum of its proper divisors (37480307719).

112222000121 is a wasteful number, since it uses less digits than its factorization.

112222000121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2646.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 112222000121 its reverse (121000222211), we get a palindrome (233222222332).

The spelling of 112222000121 in words is "one hundred twelve billion, two hundred twenty-two million, one hundred twenty-one", and thus it is an aban number.