11122012221100 has 72 divisors (see below), whose sum is σ = 26329360156848. Its totient is φ = 4044287596800.

The previous prime is 11122012221091. The next prime is 11122012221101. The reversal of 11122012221100 is 112221022111.

It is not an unprimeable number, because it can be changed into a prime (11122012221101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107058382 + ... + 107162218.

It is an arithmetic number, because the mean of its divisors is an integer number (365685557734).

Almost surely, 2^{11122012221100} is an apocalyptic number.

11122012221100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11122012221100 is an abundant number, since it is smaller than the sum of its proper divisors (15207347935748).

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

11122012221100 is a wasteful number, since it uses less digits than its factorization.

11122012221100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201235 (or 201228 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11122012221100 its reverse (112221022111), we get a palindrome (11234233243211).

The spelling of 11122012221100 in words is "eleven trillion, one hundred twenty-two billion, twelve million, two hundred twenty-one thousand, one hundred".