20111201120027 has 2 divisors, whose sum is σ = 20111201120028. Its totient is φ = 20111201120026.

The previous prime is 20111201120009. The next prime is 20111201120033. The reversal of 20111201120027 is 72002110211102.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20111201120027 - 2⁶ = 20111201119963 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20111201119990 and 20111201120008.

It is not a weakly prime, because it can be changed into another prime (20111201120627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10055600560013 + 10055600560014.

It is an arithmetic number, because the mean of its divisors is an integer number (10055600560014).

Almost surely, 2^{20111201120027} is an apocalyptic number.

20111201120027 is a deficient number, since it is larger than the sum of its proper divisors (1).

20111201120027 is an equidigital number, since it uses as much as digits as its factorization.

20111201120027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 20.

Adding to 20111201120027 its reverse (72002110211102), we get a palindrome (92113311331129).

The spelling of 20111201120027 in words is "twenty trillion, one hundred eleven billion, two hundred one million, one hundred twenty thousand, twenty-seven".