1100110211220 has 48 divisors (see below), whose sum is σ = 3080404510848. Its totient is φ = 293353587840.

The previous prime is 1100110211219. The next prime is 1100110211279. The reversal of 1100110211220 is 221120110011.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1100110211196 and 1100110211205.

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, 1781025 + ... + 2317815.

It is an arithmetic number, because the mean of its divisors is an integer number (64175093976).

Almost surely, 2^{1100110211220} is an apocalyptic number.

1100110211220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100110211220 is an abundant number, since it is smaller than the sum of its proper divisors (1980294299628).

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

1100110211220 is a wasteful number, since it uses less digits than its factorization.

1100110211220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570960 (or 570958 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1100110211220 its reverse (221120110011), we get a palindrome (1321230321231).

The spelling of 1100110211220 in words is "one trillion, one hundred billion, one hundred ten million, two hundred eleven thousand, two hundred twenty".