220001110112120 has 128 divisors (see below), whose sum is σ = 515572264080000. Its totient is φ = 84385325875200.

The previous prime is 220001110112101. The next prime is 220001110112153. The reversal of 220001110112120 is 21211011100022.

It is a junction number, because it is equal to n+sod(n) for n = 220001110112095 and 220001110112104.

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, 839410856 + ... + 839672904.

It is an arithmetic number, because the mean of its divisors is an integer number (4027908313125).

Almost surely, 2^{220001110112120} is an apocalyptic number.

220001110112120 is a gapful number since it is divisible by the number (20) 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 220001110112120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257786132040000).

220001110112120 is an abundant number, since it is smaller than the sum of its proper divisors (295571153967880).

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

220001110112120 is a wasteful number, since it uses less digits than its factorization.

220001110112120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267033 (or 267029 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 220001110112120 its reverse (21211011100022), we get a palindrome (241212121212142).

The spelling of 220001110112120 in words is "two hundred twenty trillion, one billion, one hundred ten million, one hundred twelve thousand, one hundred twenty".