1100103132220 has 48 divisors (see below), whose sum is σ = 2334810090816. Its totient is φ = 435363200000.

The previous prime is 1100103132217. The next prime is 1100103132221. The reversal of 1100103132220 is 222313010011.

It is a junction number, because it is equal to n+sod(n) for n = 1100103132194 and 1100103132203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100103132221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2549145 + ... + 2949295.

It is an arithmetic number, because the mean of its divisors is an integer number (48641876892).

Almost surely, 2^{1100103132220} is an apocalyptic number.

1100103132220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100103132220 is an abundant number, since it is smaller than the sum of its proper divisors (1234706958596).

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

1100103132220 is a wasteful number, since it uses less digits than its factorization.

1100103132220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401622 (or 401620 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1100103132220 its reverse (222313010011), we get a palindrome (1322416142231).

The spelling of 1100103132220 in words is "one trillion, one hundred billion, one hundred three million, one hundred thirty-two thousand, two hundred twenty".