100011211122 has 16 divisors (see below), whose sum is σ = 205428434112. Its totient is φ = 32436068400.

The previous prime is 100011211093. The next prime is 100011211129. The reversal of 100011211122 is 221112110001.

It is a junction number, because it is equal to n+sod(n) for n = 100011211098 and 100011211107.

It is not an unprimeable number, because it can be changed into a prime (100011211129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225250254 + ... + 225250697.

It is an arithmetic number, because the mean of its divisors is an integer number (12839277132).

Almost surely, 2^100011211122 is an apocalyptic number.

100011211122 is an abundant number, since it is smaller than the sum of its proper divisors (105417222990).

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

100011211122 is a wasteful number, since it uses less digits than its factorization.

100011211122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450500993.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 100011211122 its reverse (221112110001), we get a palindrome (321123321123).

The spelling of 100011211122 in words is "one hundred billion, eleven million, two hundred eleven thousand, one hundred twenty-two".