11103223121100 has 108 divisors (see below), whose sum is σ = 37966293881880. Its totient is φ = 2691690451200.

The previous prime is 11103223121099. The next prime is 11103223121147. The reversal of 11103223121100 is 112132230111.

11103223121100 is a `hidden beast` number, since 11 + 10 + 322 + 312 + 1 + 10 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 560758945 + ... + 560778744.

Almost surely, 2^{11103223121100} is an apocalyptic number.

11103223121100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11103223121100 is an abundant number, since it is smaller than the sum of its proper divisors (26863070760780).

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

11103223121100 is a wasteful number, since it uses less digits than its factorization.

11103223121100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121537720 (or 1121537710 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 11103223121100 its reverse (112132230111), we get a palindrome (11215355351211).

The spelling of 11103223121100 in words is "eleven trillion, one hundred three billion, two hundred twenty-three million, one hundred twenty-one thousand, one hundred".