12011100222100 has 144 divisors (see below), whose sum is σ = 30056503816192. Its totient is φ = 4080980413440.

The previous prime is 12011100222097. The next prime is 12011100222109. The reversal of 12011100222100 is 122200111021.

12011100222100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011100222109) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 77888272 + ... + 78042328.

Almost surely, 2^{12011100222100} is an apocalyptic number.

12011100222100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12011100222100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15028251908096).

12011100222100 is an abundant number, since it is smaller than the sum of its proper divisors (18045403594092).

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

12011100222100 is a wasteful number, since it uses less digits than its factorization.

12011100222100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155082 (or 155075 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12011100222100 its reverse (122200111021), we get a palindrome (12133300333121).

The spelling of 12011100222100 in words is "twelve trillion, eleven billion, one hundred million, two hundred twenty-two thousand, one hundred".