11201000111220 has 96 divisors (see below), whose sum is σ = 32011925355648. Its totient is φ = 2925314309632.

The previous prime is 11201000111173. The next prime is 11201000111261. The reversal of 11201000111220 is 2211100010211.

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 = 11201000111196 and 11201000111205.

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, 1390614 + ... + 4933133.

It is an arithmetic number, because the mean of its divisors is an integer number (333457555788).

Almost surely, 2^{11201000111220} is an apocalyptic number.

11201000111220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11201000111220 is an abundant number, since it is smaller than the sum of its proper divisors (20810925244428).

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

11201000111220 is a wasteful number, since it uses less digits than its factorization.

11201000111220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6324369 (or 6324367 counting only the distinct ones).

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

Adding to 11201000111220 its reverse (2211100010211), we get a palindrome (13412100121431).

The spelling of 11201000111220 in words is "eleven trillion, two hundred one billion, one hundred eleven thousand, two hundred twenty".