20112000212111 has 8 divisors (see below), whose sum is σ = 20118338427264. Its totient is φ = 20105662351320.

The previous prime is 20112000212033. The next prime is 20112000212131. The reversal of 20112000212111 is 11121200021102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20112000212111 - 2²² = 20111996017807 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 (20112000212131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155356736 + ... + 155486138.

It is an arithmetic number, because the mean of its divisors is an integer number (2514792303408).

Almost surely, 2^{20112000212111} is an apocalyptic number.

20112000212111 is a deficient number, since it is larger than the sum of its proper divisors (6338215153).

20112000212111 is a wasteful number, since it uses less digits than its factorization.

20112000212111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177181.

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

Adding to 20112000212111 its reverse (11121200021102), we get a palindrome (31233200233213).

The spelling of 20112000212111 in words is "twenty trillion, one hundred twelve billion, two hundred twelve thousand, one hundred eleven".