2122012011047 has 2 divisors, whose sum is σ = 2122012011048. Its totient is φ = 2122012011046.

The previous prime is 2122012010999. The next prime is 2122012011157. The reversal of 2122012011047 is 7401102102212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2122012011047 - 2¹⁸ = 2122011748903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2122012011247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061006005523 + 1061006005524.

It is an arithmetic number, because the mean of its divisors is an integer number (1061006005524).

Almost surely, 2^{2122012011047} is an apocalyptic number.

2122012011047 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122012011047 is an equidigital number, since it uses as much as digits as its factorization.

2122012011047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 23.

Adding to 2122012011047 its reverse (7401102102212), we get a palindrome (9523114113259).

The spelling of 2122012011047 in words is "two trillion, one hundred twenty-two billion, twelve million, eleven thousand, forty-seven".