11100221010120 has 96 divisors (see below), whose sum is σ = 36603208172160. Its totient is φ = 2690962665600.

The previous prime is 11100221010059. The next prime is 11100221010121. The reversal of 11100221010120 is 2101012200111.

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 = 11100221010096 and 11100221010105.

It is not an unprimeable number, because it can be changed into a prime (11100221010121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 382224496 + ... + 382253535.

It is an arithmetic number, because the mean of its divisors is an integer number (381283418460).

Almost surely, 2^{11100221010120} is an apocalyptic number.

11100221010120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11100221010120 is an abundant number, since it is smaller than the sum of its proper divisors (25502987162040).

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

11100221010120 is a wasteful number, since it uses less digits than its factorization.

11100221010120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764478067 (or 764478052 counting only the distinct ones).

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

Adding to 11100221010120 its reverse (2101012200111), we get a palindrome (13201233210231).

The spelling of 11100221010120 in words is "eleven trillion, one hundred billion, two hundred twenty-one million, ten thousand, one hundred twenty".