1100233112220 has 144 divisors (see below), whose sum is σ = 3739170865248. Its totient is φ = 259514426880.

The previous prime is 1100233112219. The next prime is 1100233112287. The reversal of 1100233112220 is 222113320011.

1100233112220 is a `hidden beast` number, since 1 + 100 + 2 + 331 + 12 + 220 = 666.

It is a super-2 number, since 2×1100233112220² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1100233112193 and 1100233112202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7435839 + ... + 7582358.

It is an arithmetic number, because the mean of its divisors is an integer number (25966464342).

Almost surely, 2^{1100233112220} is an apocalyptic number.

1100233112220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100233112220 is an abundant number, since it is smaller than the sum of its proper divisors (2638937753028).

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

1100233112220 is a wasteful number, since it uses less digits than its factorization.

1100233112220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15018260 (or 15018255 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1100233112220 its reverse (222113320011), we get a palindrome (1322346432231).

The spelling of 1100233112220 in words is "one trillion, one hundred billion, two hundred thirty-three million, one hundred twelve thousand, two hundred twenty".