20201202312111 has 12 divisors (see below), whose sum is σ = 29235521203200. Its totient is φ = 13441618937760.

The previous prime is 20201202312007. The next prime is 20201202312127. The reversal of 20201202312111 is 11121320210202.

20201202312111 is a `hidden beast` number, since 2 + 0 + 201 + 20 + 231 + 211 + 1 = 666.

It is not a de Polignac number, because 20201202312111 - 2¹⁴ = 20201202295727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20201202312611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2154100911 + ... + 2154110288.

It is an arithmetic number, because the mean of its divisors is an integer number (2436293433600).

Almost surely, 2^{20201202312111} is an apocalyptic number.

20201202312111 is a deficient number, since it is larger than the sum of its proper divisors (9034318891089).

20201202312111 is a wasteful number, since it uses less digits than its factorization.

20201202312111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4308211726 (or 4308211723 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 20201202312111 its reverse (11121320210202), we get a palindrome (31322522522313).

The spelling of 20201202312111 in words is "twenty trillion, two hundred one billion, two hundred two million, three hundred twelve thousand, one hundred eleven".