11100220101120 has 80 divisors (see below), whose sum is σ = 35486016160320. Its totient is φ = 2960058691584.

The previous prime is 11100220101079. The next prime is 11100220101137. The reversal of 11100220101120 is 2110102200111.

It is a tau number, because it is divible by the number of its divisors (80).

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 = 11100220101096 and 11100220101105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 722662900 + ... + 722678259.

It is an arithmetic number, because the mean of its divisors is an integer number (443575202004).

Almost surely, 2^{11100220101120} is an apocalyptic number.

11100220101120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11100220101120 is an abundant number, since it is smaller than the sum of its proper divisors (24385796059200).

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

11100220101120 is an equidigital number, since it uses as much as digits as its factorization.

11100220101120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1445341185 (or 1445341169 counting only the distinct ones).

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

Adding to 11100220101120 its reverse (2110102200111), we get a palindrome (13210322301231).

The spelling of 11100220101120 in words is "eleven trillion, one hundred billion, two hundred twenty million, one hundred one thousand, one hundred twenty".