11012111221002 has 16 divisors (see below), whose sum is σ = 22783678388640. Its totient is φ = 3544127749232.

The previous prime is 11012111220953. The next prime is 11012111221003. The reversal of 11012111221002 is 20012211121011.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11012111221003) 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, 31643997588 + ... + 31643997935.

It is an arithmetic number, because the mean of its divisors is an integer number (1423979899290).

Almost surely, 2^{11012111221002} is an apocalyptic number.

11012111221002 is an abundant number, since it is smaller than the sum of its proper divisors (11771567167638).

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

11012111221002 is a wasteful number, since it uses less digits than its factorization.

11012111221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63287995557.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11012111221002 its reverse (20012211121011), we get a palindrome (31024322342013).

Subtracting 11012111221002 from its reverse (20012211121011), we obtain a palindrome (9000099900009).

The spelling of 11012111221002 in words is "eleven trillion, twelve billion, one hundred eleven million, two hundred twenty-one thousand, two".