1122110112220 has 12 divisors (see below), whose sum is σ = 2356431235704. Its totient is φ = 448844044880.

The previous prime is 1122110112203. The next prime is 1122110112223. The reversal of 1122110112220 is 222110112211.

It is a super-2 number, since 2×1122110112220² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1122110112194 and 1122110112203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122110112223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28052752786 + ... + 28052752825.

It is an arithmetic number, because the mean of its divisors is an integer number (196369269642).

Almost surely, 2^{1122110112220} is an apocalyptic number.

1122110112220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122110112220 is an abundant number, since it is smaller than the sum of its proper divisors (1234321123484).

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

1122110112220 is a wasteful number, since it uses less digits than its factorization.

1122110112220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56105505620 (or 56105505618 counting only the distinct ones).

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

Adding to 1122110112220 its reverse (222110112211), we get a palindrome (1344220224431).

Subtracting from 1122110112220 its reverse (222110112211), we obtain a palindrome (900000000009).

The spelling of 1122110112220 in words is "one trillion, one hundred twenty-two billion, one hundred ten million, one hundred twelve thousand, two hundred twenty".