11221102111002 has 32 divisors (see below), whose sum is σ = 26171666736000. Its totient is φ = 3206029173984.

The previous prime is 11221102110973. The next prime is 11221102111019. The reversal of 11221102111002 is 20011120112211.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2726213227 + ... + 2726217342.

It is an arithmetic number, because the mean of its divisors is an integer number (817864585500).

Almost surely, 2^{11221102111002} is an apocalyptic number.

11221102111002 is an abundant number, since it is smaller than the sum of its proper divisors (14950564624998).

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

11221102111002 is an equidigital number, since it uses as much as digits as its factorization.

11221102111002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5452430595 (or 5452430581 counting only the distinct ones).

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

Adding to 11221102111002 its reverse (20011120112211), we get a palindrome (31232222223213).

The spelling of 11221102111002 in words is "eleven trillion, two hundred twenty-one billion, one hundred two million, one hundred eleven thousand, two".