112220010122220 has 576 divisors, whose sum is σ = 457366903418880. Its totient is φ = 21509391974400.

The previous prime is 112220010122219. The next prime is 112220010122273. The reversal of 112220010122220 is 22221010022211.

It is a happy number.

112220010122220 is a `hidden beast` number, since 1 + 122 + 200 + 1 + 0 + 122 + 220 = 666.

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 = 112220010122193 and 112220010122202.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 253652605 + ... + 254094635.

It is an arithmetic number, because the mean of its divisors is an integer number (794039762880).

Almost surely, 2^{112220010122220} is an apocalyptic number.

112220010122220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 112220010122220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228683451709440).

112220010122220 is an abundant number, since it is smaller than the sum of its proper divisors (345146893296660).

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

112220010122220 is a wasteful number, since it uses less digits than its factorization.

112220010122220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443486 (or 443481 counting only the distinct ones).

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

Adding to 112220010122220 its reverse (22221010022211), we get a palindrome (134441020144431).

The spelling of 112220010122220 in words is "one hundred twelve trillion, two hundred twenty billion, ten million, one hundred twenty-two thousand, two hundred twenty".