112220100020 has 96 divisors (see below), whose sum is σ = 270321408000. Its totient is φ = 38333888640.

The previous prime is 112220099993. The next prime is 112220100043. The reversal of 112220100020 is 20001022211.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 112220099974 and 112220100010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61964915 + ... + 61966725.

It is an arithmetic number, because the mean of its divisors is an integer number (2815848000).

Almost surely, 2^112220100020 is an apocalyptic number.

112220100020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112220100020 is an abundant number, since it is smaller than the sum of its proper divisors (158101307980).

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

112220100020 is a wasteful number, since it uses less digits than its factorization.

112220100020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3213 (or 3211 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 112220100020 its reverse (20001022211), we get a palindrome (132221122231).

The spelling of 112220100020 in words is "one hundred twelve billion, two hundred twenty million, one hundred thousand, twenty".