11100122222012 has 48 divisors (see below), whose sum is σ = 19711079472000. Its totient is φ = 5468682345984.

The previous prime is 11100122222011. The next prime is 11100122222023. The reversal of 11100122222012 is 21022222100111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100122222011) 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 15 ways as a sum of consecutive naturals, for example, 316504814 + ... + 316539882.

It is an arithmetic number, because the mean of its divisors is an integer number (410647489000).

Almost surely, 2^{11100122222012} is an apocalyptic number.

It is an amenable number.

11100122222012 is a deficient number, since it is larger than the sum of its proper divisors (8610957249988).

11100122222012 is a wasteful number, since it uses less digits than its factorization.

11100122222012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37158 (or 37156 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 11100122222012 its reverse (21022222100111), we get a palindrome (32122344322123).

The spelling of 11100122222012 in words is "eleven trillion, one hundred billion, one hundred twenty-two million, two hundred twenty-two thousand, twelve".