12021022110077 has 2 divisors, whose sum is σ = 12021022110078. Its totient is φ = 12021022110076.

The previous prime is 12021022110073. The next prime is 12021022110109. The reversal of 12021022110077 is 77001122012021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9479631367801 + 2541390742276 = 3078901^2 + 1594174^2 .

It is a cyclic number.

It is not a de Polignac number, because 12021022110077 - 2² = 12021022110073 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12021022110073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010511055038 + 6010511055039.

It is an arithmetic number, because the mean of its divisors is an integer number (6010511055039).

Almost surely, 2^{12021022110077} is an apocalyptic number.

It is an amenable number.

12021022110077 is a deficient number, since it is larger than the sum of its proper divisors (1).

12021022110077 is an equidigital number, since it uses as much as digits as its factorization.

12021022110077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 784, while the sum is 26.

Adding to 12021022110077 its reverse (77001122012021), we get a palindrome (89022144122098).

The spelling of 12021022110077 in words is "twelve trillion, twenty-one billion, twenty-two million, one hundred ten thousand, seventy-seven".