11101222021100 has 36 divisors (see below), whose sum is σ = 24090101103600. Its totient is φ = 4440405984960.

The previous prime is 11101222021091. The next prime is 11101222021103. The reversal of 11101222021100 is 112022210111.

It is not an unprimeable number, because it can be changed into a prime (11101222021103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4500146 + ... + 6515654.

It is an arithmetic number, because the mean of its divisors is an integer number (669169475100).

Almost surely, 2^{11101222021100} is an apocalyptic number.

11101222021100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11101222021100 is an abundant number, since it is smaller than the sum of its proper divisors (12988879082500).

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

11101222021100 is a wasteful number, since it uses less digits than its factorization.

11101222021100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2070602 (or 2070595 counting only the distinct ones).

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

Adding to 11101222021100 its reverse (112022210111), we get a palindrome (11213244231211).

The spelling of 11101222021100 in words is "eleven trillion, one hundred one billion, two hundred twenty-two million, twenty-one thousand, one hundred".