11211201221102 has 8 divisors (see below), whose sum is σ = 17226967730112. Its totient is φ = 5468878644400.

The previous prime is 11211201221089. The next prime is 11211201221113. The reversal of 11211201221102 is 20112210211211.

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 (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68360982974 + ... + 68360983137.

It is an arithmetic number, because the mean of its divisors is an integer number (2153370966264).

Almost surely, 2^{11211201221102} is an apocalyptic number.

11211201221102 is a deficient number, since it is larger than the sum of its proper divisors (6015766509010).

11211201221102 is a wasteful number, since it uses less digits than its factorization.

11211201221102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136721966154.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11211201221102 its reverse (20112210211211), we get a palindrome (31323411432313).

The spelling of 11211201221102 in words is "eleven trillion, two hundred eleven billion, two hundred one million, two hundred twenty-one thousand, one hundred two".