11121120000220 has 12 divisors (see below), whose sum is σ = 23354352000504. Its totient is φ = 4448448000080.

The previous prime is 11121120000173. The next prime is 11121120000223. The reversal of 11121120000220 is 2200002112111.

It is a self number, because there is not a number n which added to its sum of digits gives 11121120000220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11121120000223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278027999986 + ... + 278028000025.

It is an arithmetic number, because the mean of its divisors is an integer number (1946196000042).

Almost surely, 2^{11121120000220} is an apocalyptic number.

11121120000220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11121120000220 is an abundant number, since it is smaller than the sum of its proper divisors (12233232000284).

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

11121120000220 is a wasteful number, since it uses less digits than its factorization.

11121120000220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556056000020 (or 556056000018 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11121120000220 its reverse (2200002112111), we get a palindrome (13321122112331).

The spelling of 11121120000220 in words is "eleven trillion, one hundred twenty-one billion, one hundred twenty million, two hundred twenty", and thus it is an aban number.