11021221120002 has 48 divisors (see below), whose sum is σ = 23471213300640. Its totient is φ = 3449385651712.

The previous prime is 11021221119991. The next prime is 11021221120027. The reversal of 11021221120002 is 20002112212011.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6858123 + ... + 8311214.

It is an arithmetic number, because the mean of its divisors is an integer number (488983610430).

Almost surely, 2^{11021221120002} is an apocalyptic number.

11021221120002 is an abundant number, since it is smaller than the sum of its proper divisors (12449992180638).

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

11021221120002 is a wasteful number, since it uses less digits than its factorization.

11021221120002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15169795 (or 15169778 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11021221120002 its reverse (20002112212011), we get a palindrome (31023333332013).

The spelling of 11021221120002 in words is "eleven trillion, twenty-one billion, two hundred twenty-one million, one hundred twenty thousand, two".