11103220100 has 72 divisors (see below), whose sum is σ = 28733244288. Its totient is φ = 3641299200.

The previous prime is 11103220069. The next prime is 11103220129. The reversal of 11103220100 is 102230111.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 328721 + ... + 360920.

Almost surely, 2^11103220100 is an apocalyptic number.

11103220100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11103220100 is an abundant number, since it is smaller than the sum of its proper divisors (17630024188).

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

11103220100 is a wasteful number, since it uses less digits than its factorization.

11103220100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689685 (or 689678 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 11103220100 its reverse (102230111), we get a palindrome (11205450211).

The spelling of 11103220100 in words is "eleven billion, one hundred three million, two hundred twenty thousand, one hundred".