112122210420 has 120 divisors (see below), whose sum is σ = 383707181088. Its totient is φ = 27181137600.

The previous prime is 112122210401. The next prime is 112122210439. The reversal of 112122210420 is 24012221211.

112122210420 is a `hidden beast` number, since 1 + 1 + 21 + 2 + 221 + 0 + 420 = 666.

It is an interprime number because it is at equal distance from previous prime (112122210401) and next prime (112122210439).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 112122210393 and 112122210402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3128146 + ... + 3163785.

Almost surely, 2^112122210420 is an apocalyptic number.

112122210420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112122210420 is an abundant number, since it is smaller than the sum of its proper divisors (271584970668).

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

112122210420 is a wasteful number, since it uses less digits than its factorization.

112122210420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6291963 (or 6291952 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 112122210420 its reverse (24012221211), we get a palindrome (136134431631).

The spelling of 112122210420 in words is "one hundred twelve billion, one hundred twenty-two million, two hundred ten thousand, four hundred twenty".