12011100220127 has 2 divisors, whose sum is σ = 12011100220128. Its totient is φ = 12011100220126.

The previous prime is 12011100220073. The next prime is 12011100220153. The reversal of 12011100220127 is 72102200111021.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12011100220127 - 2²² = 12011096025823 is a prime.

It is a super-2 number, since 2×12011100220127² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12011100220099 and 12011100220108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12011109220127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6005550110063 + 6005550110064.

It is an arithmetic number, because the mean of its divisors is an integer number (6005550110064).

Almost surely, 2^{12011100220127} is an apocalyptic number.

12011100220127 is a deficient number, since it is larger than the sum of its proper divisors (1).

12011100220127 is an equidigital number, since it uses as much as digits as its factorization.

12011100220127 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 12011100220127 its reverse (72102200111021), we get a palindrome (84113300331148).

The spelling of 12011100220127 in words is "twelve trillion, eleven billion, one hundred million, two hundred twenty thousand, one hundred twenty-seven".