112121121224 has 32 divisors (see below), whose sum is σ = 254392462080. Its totient is φ = 45225325824.

The previous prime is 112121121197. The next prime is 112121121251. The reversal of 112121121224 is 422121121211.

It is an interprime number because it is at equal distance from previous prime (112121121197) and next prime (112121121251).

It is a super-2 number, since 2×112121121224² (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 junction number, because it is equal to n+sod(n) for n = 112121121196 and 112121121205.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58886192 + ... + 58888095.

It is an arithmetic number, because the mean of its divisors is an integer number (7949764440).

Almost surely, 2^112121121224 is an apocalyptic number.

112121121224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

112121121224 is an abundant number, since it is smaller than the sum of its proper divisors (142271340856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

112121121224 is a wasteful number, since it uses less digits than its factorization.

112121121224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117774317 (or 117774313 counting only the distinct ones).

The product of its digits is 128, while the sum is 20.

Adding to 112121121224 its reverse (422121121211), we get a palindrome (534242242435).

The spelling of 112121121224 in words is "one hundred twelve billion, one hundred twenty-one million, one hundred twenty-one thousand, two hundred twenty-four".