212001010022111 has 2 divisors, whose sum is σ = 212001010022112. Its totient is φ = 212001010022110.

The previous prime is 212001010022063. The next prime is 212001010022129. The reversal of 212001010022111 is 111220010100212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212001010022111 - 2¹⁴ = 212001010005727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212001010022141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106000505011055 + 106000505011056.

It is an arithmetic number, because the mean of its divisors is an integer number (106000505011056).

Almost surely, 2^{212001010022111} is an apocalyptic number.

212001010022111 is a deficient number, since it is larger than the sum of its proper divisors (1).

212001010022111 is an equidigital number, since it uses as much as digits as its factorization.

212001010022111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 212001010022111 its reverse (111220010100212), we get a palindrome (323221020122323).

The spelling of 212001010022111 in words is "two hundred twelve trillion, one billion, ten million, twenty-two thousand, one hundred eleven".