112122121112 has 8 divisors (see below), whose sum is σ = 210228977100. Its totient is φ = 56061060552.

The previous prime is 112122121109. The next prime is 112122121129. The reversal of 112122121112 is 211121221211.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×112122121112² (a number of 23 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7007632562 + ... + 7007632577.

Almost surely, 2^112122121112 is an apocalyptic number.

It is an amenable number.

112122121112 is a deficient number, since it is larger than the sum of its proper divisors (98106855988).

112122121112 is a wasteful number, since it uses less digits than its factorization.

112122121112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14015265145 (or 14015265141 counting only the distinct ones).

The product of its digits is 32, while the sum is 17.

Adding to 112122121112 its reverse (211121221211), we get a palindrome (323243342323).

The spelling of 112122121112 in words is "one hundred twelve billion, one hundred twenty-two million, one hundred twenty-one thousand, one hundred twelve".