11121100201100 has 72 divisors (see below), whose sum is σ = 25536716045568. Its totient is φ = 4195099585600.

The previous prime is 11121100201091. The next prime is 11121100201103. The reversal of 11121100201100 is 110200112111.

It is not an unprimeable number, because it can be changed into a prime (11121100201103) 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, 33887834 + ... + 34214433.

It is an arithmetic number, because the mean of its divisors is an integer number (354676611744).

Almost surely, 2^{11121100201100} is an apocalyptic number.

11121100201100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11121100201100 is an abundant number, since it is smaller than the sum of its proper divisors (14415615844468).

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

11121100201100 is a wasteful number, since it uses less digits than its factorization.

11121100201100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68102375 (or 68102368 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 11121100201100 its reverse (110200112111), we get a palindrome (11231300313211).

The spelling of 11121100201100 in words is "eleven trillion, one hundred twenty-one billion, one hundred million, two hundred one thousand, one hundred".