11021221102 has 8 divisors (see below), whose sum is σ = 16883572896. Its totient is φ = 5393363472.

The previous prime is 11021221093. The next prime is 11021221139. The reversal of 11021221102 is 20112212011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 58623423 + ... + 58623610.

It is an arithmetic number, because the mean of its divisors is an integer number (2110446612).

Almost surely, 2^11021221102 is an apocalyptic number.

11021221102 is a deficient number, since it is larger than the sum of its proper divisors (5862351794).

11021221102 is a wasteful number, since it uses less digits than its factorization.

11021221102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117247082.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11021221102 its reverse (20112212011), we get a palindrome (31133433113).

Subtracting 11021221102 from its reverse (20112212011), we obtain a palindrome (9090990909).

The spelling of 11021221102 in words is "eleven billion, twenty-one million, two hundred twenty-one thousand, one hundred two".