12100021112071 has 2 divisors, whose sum is σ = 12100021112072. Its totient is φ = 12100021112070.

The previous prime is 12100021111931. The next prime is 12100021112083. The reversal of 12100021112071 is 17021112000121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12100021112071 - 2²⁷ = 12099886894343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12100021115071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6050010556035 + 6050010556036.

It is an arithmetic number, because the mean of its divisors is an integer number (6050010556036).

Almost surely, 2^{12100021112071} is an apocalyptic number.

12100021112071 is a deficient number, since it is larger than the sum of its proper divisors (1).

12100021112071 is an equidigital number, since it uses as much as digits as its factorization.

12100021112071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 19.

Adding to 12100021112071 its reverse (17021112000121), we get a palindrome (29121133112192).

The spelling of 12100021112071 in words is "twelve trillion, one hundred billion, twenty-one million, one hundred twelve thousand, seventy-one".