20020110001111 has 16 divisors (see below), whose sum is σ = 22152566219040. Its totient is φ = 17940026949120.

The previous prime is 20020110001069. The next prime is 20020110001163. The reversal of 20020110001111 is 11110001102002.

It is a cyclic number.

It is not a de Polignac number, because 20020110001111 - 2²³ = 20020101612503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020110001511) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 6128830 + ... + 8809243.

It is an arithmetic number, because the mean of its divisors is an integer number (1384535388690).

Almost surely, 2^{20020110001111} is an apocalyptic number.

20020110001111 is a deficient number, since it is larger than the sum of its proper divisors (2132456217929).

20020110001111 is a wasteful number, since it uses less digits than its factorization.

20020110001111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14939826.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 20020110001111 its reverse (11110001102002), we get a palindrome (31130111103113).

The spelling of 20020110001111 in words is "twenty trillion, twenty billion, one hundred ten million, one thousand, one hundred eleven".