20011300030111 has 8 divisors (see below), whose sum is σ = 21567195486144. Its totient is φ = 18457770957600.

The previous prime is 20011300030069. The next prime is 20011300030123. The reversal of 20011300030111 is 11103000311002.

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

It is not a de Polignac number, because 20011300030111 - 2⁹ = 20011300029599 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20011300030091 and 20011300030100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20011300036111) 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, 591578311 + ... + 591612136.

It is an arithmetic number, because the mean of its divisors is an integer number (2695899435768).

Almost surely, 2^{20011300030111} is an apocalyptic number.

20011300030111 is a deficient number, since it is larger than the sum of its proper divisors (1555895456033).

20011300030111 is a wasteful number, since it uses less digits than its factorization.

20011300030111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183191761.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 20011300030111 its reverse (11103000311002), we get a palindrome (31114300341113).

The spelling of 20011300030111 in words is "twenty trillion, eleven billion, three hundred million, thirty thousand, one hundred eleven".