11001200000220 has 96 divisors (see below), whose sum is σ = 34296235545600. Its totient is φ = 2927629334592.

The previous prime is 11001200000173. The next prime is 11001200000237. The reversal of 11001200000220 is 2200000210011.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20653440 + ... + 21179399.

It is an arithmetic number, because the mean of its divisors is an integer number (357252453600).

Almost surely, 2^{11001200000220} is an apocalyptic number.

11001200000220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11001200000220 is an abundant number, since it is smaller than the sum of its proper divisors (23295035545380).

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

11001200000220 is a wasteful number, since it uses less digits than its factorization.

11001200000220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41833344 (or 41833336 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 11001200000220 its reverse (2200000210011), we get a palindrome (13201200210231).

The spelling of 11001200000220 in words is "eleven trillion, one billion, two hundred million, two hundred twenty", and thus it is an aban number.