11011100100012 has 36 divisors (see below), whose sum is σ = 27834914725800. Its totient is φ = 3670195194432.

The previous prime is 11011100099981. The next prime is 11011100100019. The reversal of 11011100100012 is 21000100111011.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 11011100099967 and 11011100100003.

It is not an unprimeable number, because it can be changed into a prime (11011100100019) 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, 6363762 + ... + 7906937.

Almost surely, 2^{11011100100012} is an apocalyptic number.

11011100100012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11011100100012 is an abundant number, since it is smaller than the sum of its proper divisors (16823814625788).

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

11011100100012 is a wasteful number, since it uses less digits than its factorization.

11011100100012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14292142 (or 14292137 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 11011100100012 its reverse (21000100111011), we get a palindrome (32011200211023).

The spelling of 11011100100012 in words is "eleven trillion, eleven billion, one hundred million, one hundred thousand, twelve".