11020020121112 has 8 divisors (see below), whose sum is σ = 20662537727100. Its totient is φ = 5510010060552.

The previous prime is 11020020121109. The next prime is 11020020121177. The reversal of 11020020121112 is 21112102002011.

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 688751257562 + ... + 688751257577.

Almost surely, 2^{11020020121112} is an apocalyptic number.

It is an amenable number.

11020020121112 is a deficient number, since it is larger than the sum of its proper divisors (9642517605988).

11020020121112 is a wasteful number, since it uses less digits than its factorization.

11020020121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1377502515145 (or 1377502515141 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11020020121112 its reverse (21112102002011), we get a palindrome (32132122123123).

The spelling of 11020020121112 in words is "eleven trillion, twenty billion, twenty million, one hundred twenty-one thousand, one hundred twelve".