11012221012012 has 24 divisors (see below), whose sum is σ = 21023624602512. Its totient is φ = 5005485105600.

The previous prime is 11012221011989. The next prime is 11012221012019. The reversal of 11012221012012 is 21021012221011.

It is not an unprimeable number, because it can be changed into a prime (11012221012019) 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, 1507278 + ... + 4929130.

It is an arithmetic number, because the mean of its divisors is an integer number (875984358438).

Almost surely, 2^{11012221012012} is an apocalyptic number.

It is an amenable number.

11012221012012 is a deficient number, since it is larger than the sum of its proper divisors (10011403590500).

11012221012012 is a wasteful number, since it uses less digits than its factorization.

11012221012012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3495009 (or 3495007 counting only the distinct ones).

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

Adding to 11012221012012 its reverse (21021012221011), we get a palindrome (32033233233023).

The spelling of 11012221012012 in words is "eleven trillion, twelve billion, two hundred twenty-one million, twelve thousand, twelve".