212011111200481 has 2 divisors, whose sum is σ = 212011111200482. Its totient is φ = 212011111200480.

The previous prime is 212011111200467. The next prime is 212011111200509. The reversal of 212011111200481 is 184002111110212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 193053934528225 + 18957176672256 = 13894385^2 + 4353984^2 .

It is a cyclic number.

It is not a de Polignac number, because 212011111200481 - 2¹³ = 212011111192289 is a prime.

It is a super-2 number, since 2×212011111200481² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (212011111200401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106005555600240 + 106005555600241.

It is an arithmetic number, because the mean of its divisors is an integer number (106005555600241).

Almost surely, 2^{212011111200481} is an apocalyptic number.

It is an amenable number.

212011111200481 is a deficient number, since it is larger than the sum of its proper divisors (1).

212011111200481 is an equidigital number, since it uses as much as digits as its factorization.

212011111200481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 256, while the sum is 25.

Adding to 212011111200481 its reverse (184002111110212), we get a palindrome (396013222310693).

The spelling of 212011111200481 in words is "two hundred twelve trillion, eleven billion, one hundred eleven million, two hundred thousand, four hundred eighty-one".