20002011100111 has 16 divisors (see below), whose sum is σ = 20572471398528. Its totient is φ = 19435533465600.

The previous prime is 20002011100031. The next prime is 20002011100189. The reversal of 20002011100111 is 11100111020002.

It is not a de Polignac number, because 20002011100111 - 2¹¹ = 20002011098063 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 (20002011100711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32505975 + ... + 33115591.

It is an arithmetic number, because the mean of its divisors is an integer number (1285779462408).

Almost surely, 2^{20002011100111} is an apocalyptic number.

20002011100111 is a deficient number, since it is larger than the sum of its proper divisors (570460298417).

20002011100111 is a wasteful number, since it uses less digits than its factorization.

20002011100111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612882.

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

Adding to 20002011100111 its reverse (11100111020002), we get a palindrome (31102122120113).

The spelling of 20002011100111 in words is "twenty trillion, two billion, eleven million, one hundred thousand, one hundred eleven".