20011233030111 has 10 divisors (see below), whose sum is σ = 29893323415472. Its totient is φ = 13340822020020.

The previous prime is 20011233030079. The next prime is 20011233030137. The reversal of 20011233030111 is 11103033211002.

20011233030111 is a `hidden beast` number, since 20 + 0 + 1 + 1 + 2 + 330 + 301 + 11 = 666.

It is not a de Polignac number, because 20011233030111 - 2⁵ = 20011233030079 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 (20011233030011) 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 9 ways as a sum of consecutive naturals, for example, 123526129735 + ... + 123526129896.

Almost surely, 2^{20011233030111} is an apocalyptic number.

20011233030111 is a deficient number, since it is larger than the sum of its proper divisors (9882090385361).

20011233030111 is an equidigital number, since it uses as much as digits as its factorization.

20011233030111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247052259643 (or 247052259634 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 20011233030111 its reverse (11103033211002), we get a palindrome (31114266241113).

The spelling of 20011233030111 in words is "twenty trillion, eleven billion, two hundred thirty-three million, thirty thousand, one hundred eleven".