1113322112220 has 24 divisors (see below), whose sum is σ = 3117301914384. Its totient is φ = 296885896576.

The previous prime is 1113322112191. The next prime is 1113322112233. The reversal of 1113322112220 is 222112233111.

It is a super-2 number, since 2×1113322112220² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9277684209 + ... + 9277684328.

It is an arithmetic number, because the mean of its divisors is an integer number (129887579766).

Almost surely, 2^{1113322112220} is an apocalyptic number.

1113322112220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1113322112220 is an abundant number, since it is smaller than the sum of its proper divisors (2003979802164).

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

1113322112220 is a wasteful number, since it uses less digits than its factorization.

1113322112220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18555368549 (or 18555368547 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1113322112220 its reverse (222112233111), we get a palindrome (1335434345331).

The spelling of 1113322112220 in words is "one trillion, one hundred thirteen billion, three hundred twenty-two million, one hundred twelve thousand, two hundred twenty".