11011221212002 has 16 divisors (see below), whose sum is σ = 18018585496800. Its totient is φ = 5005038463840.

The previous prime is 11011221211999. The next prime is 11011221212009. The reversal of 11011221212002 is 20021212211011.

It is not an unprimeable number, because it can be changed into a prime (11011221212009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1266352 + ... + 4860667.

It is an arithmetic number, because the mean of its divisors is an integer number (1126161593550).

Almost surely, 2^{11011221212002} is an apocalyptic number.

11011221212002 is a deficient number, since it is larger than the sum of its proper divisors (7007364284798).

11011221212002 is a wasteful number, since it uses less digits than its factorization.

11011221212002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6208721.

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

Adding to 11011221212002 its reverse (20021212211011), we get a palindrome (31032433423013).

Subtracting 11011221212002 from its reverse (20021212211011), we obtain a palindrome (9009990999009).

The spelling of 11011221212002 in words is "eleven trillion, eleven billion, two hundred twenty-one million, two hundred twelve thousand, two".