11110220021100 has 72 divisors (see below), whose sum is σ = 32148825221968. Its totient is φ = 2962425312000.

The previous prime is 11110220021041. The next prime is 11110220021107. The reversal of 11110220021100 is 112002201111.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (11110220021107) 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, 1100082 + ... + 4840518.

Almost surely, 2^{11110220021100} is an apocalyptic number.

11110220021100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11110220021100 is an abundant number, since it is smaller than the sum of its proper divisors (21038605200868).

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

11110220021100 is a wasteful number, since it uses less digits than its factorization.

11110220021100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3750355 (or 3750348 counting only the distinct ones).

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

Adding to 11110220021100 its reverse (112002201111), we get a palindrome (11222222222211).

The spelling of 11110220021100 in words is "eleven trillion, one hundred ten billion, two hundred twenty million, twenty-one thousand, one hundred".