11112220120100 has 72 divisors (see below), whose sum is σ = 26751514356000. Its totient is φ = 3972319033600.

The previous prime is 11112220120069. The next prime is 11112220120103. The reversal of 11112220120100 is 102102221111.

It is not an unprimeable number, because it can be changed into a prime (11112220120103) 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, 85545425 + ... + 85675224.

It is an arithmetic number, because the mean of its divisors is an integer number (371548810500).

Almost surely, 2^{11112220120100} is an apocalyptic number.

11112220120100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11112220120100 is an abundant number, since it is smaller than the sum of its proper divisors (15639294235900).

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

11112220120100 is a wasteful number, since it uses less digits than its factorization.

11112220120100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171220733 (or 171220726 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11112220120100 its reverse (102102221111), we get a palindrome (11214322341211).

The spelling of 11112220120100 in words is "eleven trillion, one hundred twelve billion, two hundred twenty million, one hundred twenty thousand, one hundred".