212021110000111 has 2 divisors, whose sum is σ = 212021110000112. Its totient is φ = 212021110000110.

The previous prime is 212021110000103. The next prime is 212021110000159. The reversal of 212021110000111 is 111000011120212.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212021110000111 - 2³ = 212021110000103 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212021110000091 and 212021110000100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212021110070111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106010555000055 + 106010555000056.

It is an arithmetic number, because the mean of its divisors is an integer number (106010555000056).

Almost surely, 2^{212021110000111} is an apocalyptic number.

212021110000111 is a deficient number, since it is larger than the sum of its proper divisors (1).

212021110000111 is an equidigital number, since it uses as much as digits as its factorization.

212021110000111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 212021110000111 its reverse (111000011120212), we get a palindrome (323021121120323).

The spelling of 212021110000111 in words is "two hundred twelve trillion, twenty-one billion, one hundred ten million, one hundred eleven", and thus it is an aban number.