11020120221208 has 64 divisors (see below), whose sum is σ = 24872696006400. Its totient is φ = 4471583771520.

The previous prime is 11020120221169. The next prime is 11020120221217. The reversal of 11020120221208 is 80212202102011.

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 15 ways as a sum of consecutive naturals, for example, 1451803 + ... + 4914058.

It is an arithmetic number, because the mean of its divisors is an integer number (388635875100).

Almost surely, 2^{11020120221208} is an apocalyptic number.

It is an amenable number.

11020120221208 is an abundant number, since it is smaller than the sum of its proper divisors (13852575785192).

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

11020120221208 is a wasteful number, since it uses less digits than its factorization.

11020120221208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6367520 (or 6367516 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 11020120221208 its reverse (80212202102011), we get a palindrome (91232322323219).

The spelling of 11020120221208 in words is "eleven trillion, twenty billion, one hundred twenty million, two hundred twenty-one thousand, two hundred eight".