20020012002111 has 16 divisors (see below), whose sum is σ = 29122529010048. Its totient is φ = 12132294127200.

The previous prime is 20020012002073. The next prime is 20020012002119. The reversal of 20020012002111 is 11120021002002.

It is a de Polignac number, because none of the positive numbers 2^k-20020012002111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020012002119) 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, 25773505 + ... + 26538906.

It is an arithmetic number, because the mean of its divisors is an integer number (1820158063128).

Almost surely, 2^{20020012002111} is an apocalyptic number.

20020012002111 is a deficient number, since it is larger than the sum of its proper divisors (9102517007937).

20020012002111 is a wasteful number, since it uses less digits than its factorization.

20020012002111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52324022.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20020012002111 its reverse (11120021002002), we get a palindrome (31140033004113).

The spelling of 20020012002111 in words is "twenty trillion, twenty billion, twelve million, two thousand, one hundred eleven".