1100120880220 has 48 divisors (see below), whose sum is σ = 2355968553120. Its totient is φ = 431355781376.

The previous prime is 1100120880211. The next prime is 1100120880241. The reversal of 1100120880220 is 220880210011.

It is a congruent number.

It is an unprimeable number.

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, 707619 + ... + 1643461.

It is an arithmetic number, because the mean of its divisors is an integer number (49082678190).

Almost surely, 2^{1100120880220} is an apocalyptic number.

1100120880220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100120880220 is an abundant number, since it is smaller than the sum of its proper divisors (1255847672900).

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

1100120880220 is a wasteful number, since it uses less digits than its factorization.

1100120880220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937014 (or 937012 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 25.

The spelling of 1100120880220 in words is "one trillion, one hundred billion, one hundred twenty million, eight hundred eighty thousand, two hundred twenty".