1112120220220 has 48 divisors (see below), whose sum is σ = 2431634740416. Its totient is φ = 426883392000.

The previous prime is 1112120220209. The next prime is 1112120220241. The reversal of 1112120220220 is 220220212111.

It is a happy number.

It is a super-2 number, since 2×1112120220220² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1112120220194 and 1112120220203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11066736 + ... + 11166775.

It is an arithmetic number, because the mean of its divisors is an integer number (50659057092).

Almost surely, 2^{1112120220220} is an apocalyptic number.

1112120220220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112120220220 is an abundant number, since it is smaller than the sum of its proper divisors (1319514520196).

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

1112120220220 is a wasteful number, since it uses less digits than its factorization.

1112120220220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22233622 (or 22233620 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1112120220220 its reverse (220220212111), we get a palindrome (1332340432331).

The spelling of 1112120220220 in words is "one trillion, one hundred twelve billion, one hundred twenty million, two hundred twenty thousand, two hundred twenty".