20010001112111 has 8 divisors (see below), whose sum is σ = 21511311386880. Its totient is φ = 18553506069528.

The previous prime is 20010001112089. The next prime is 20010001112141. The reversal of 20010001112111 is 11121110001002.

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 20010001112111 - 2²⁶ = 20009934003247 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20010001112092 and 20010001112101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010001112141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11203807121 + ... + 11203808906.

It is an arithmetic number, because the mean of its divisors is an integer number (2688913923360).

Almost surely, 2^{20010001112111} is an apocalyptic number.

20010001112111 is a deficient number, since it is larger than the sum of its proper divisors (1501310274769).

20010001112111 is a wasteful number, since it uses less digits than its factorization.

20010001112111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22407616093.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 20010001112111 its reverse (11121110001002), we get a palindrome (31131111113113).

The spelling of 20010001112111 in words is "twenty trillion, ten billion, one million, one hundred twelve thousand, one hundred eleven".