11101222111100 has 72 divisors (see below), whose sum is σ = 26280597132048. Its totient is φ = 4036657996800.

The previous prime is 11101222111099. The next prime is 11101222111151. The reversal of 11101222111100 is 111122210111.

It is a congruent number.

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, 31917332 + ... + 32263268.

Almost surely, 2^{11101222111100} is an apocalyptic number.

11101222111100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11101222111100 is an abundant number, since it is smaller than the sum of its proper divisors (15179375020948).

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

11101222111100 is a wasteful number, since it uses less digits than its factorization.

11101222111100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375135 (or 375128 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11101222111100 its reverse (111122210111), we get a palindrome (11212344321211).

The spelling of 11101222111100 in words is "eleven trillion, one hundred one billion, two hundred twenty-two million, one hundred eleven thousand, one hundred".