1112122110220 has 288 divisors, whose sum is σ = 2749183416000. Its totient is φ = 376291491840.

The previous prime is 1112122110139. The next prime is 1112122110263. The reversal of 1112122110220 is 220112212111.

It is a junction number, because it is equal to n+sod(n) for n = 1112122110194 and 1112122110203.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2568411124 + ... + 2568411556.

It is an arithmetic number, because the mean of its divisors is an integer number (9545775750).

Almost surely, 2^{1112122110220} is an apocalyptic number.

1112122110220 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 1112122110220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1374591708000).

1112122110220 is an abundant number, since it is smaller than the sum of its proper divisors (1637061305780).

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

1112122110220 is a wasteful number, since it uses less digits than its factorization.

1112122110220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049 (or 1036 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1112122110220 its reverse (220112212111), we get a palindrome (1332234322331).

The spelling of 1112122110220 in words is "one trillion, one hundred twelve billion, one hundred twenty-two million, one hundred ten thousand, two hundred twenty".