212001111001087 has 2 divisors, whose sum is σ = 212001111001088. Its totient is φ = 212001111001086.

The previous prime is 212001111001013. The next prime is 212001111001123. The reversal of 212001111001087 is 780100111100212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212001111001087 - 2¹¹ = 212001110999039 is a prime.

It is a super-3 number, since 3×212001111001087³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212001111001787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106000555500543 + 106000555500544.

It is an arithmetic number, because the mean of its divisors is an integer number (106000555500544).

Almost surely, 2^{212001111001087} is an apocalyptic number.

212001111001087 is a deficient number, since it is larger than the sum of its proper divisors (1).

212001111001087 is an equidigital number, since it uses as much as digits as its factorization.

212001111001087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 25.

Adding to 212001111001087 its reverse (780100111100212), we get a palindrome (992101222101299).

The spelling of 212001111001087 in words is "two hundred twelve trillion, one billion, one hundred eleven million, one thousand, eighty-seven".