211412113012021 has 2 divisors, whose sum is σ = 211412113012022. Its totient is φ = 211412113012020.

The previous prime is 211412113011947. The next prime is 211412113012157. The reversal of 211412113012021 is 120210311214112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 197592529811121 + 13819583200900 = 14056761^2 + 3717470^2 .

It is a cyclic number.

It is not a de Polignac number, because 211412113012021 - 2³⁷ = 211274674058549 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211412113011983 and 211412113012001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211412110012021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105706056506010 + 105706056506011.

It is an arithmetic number, because the mean of its divisors is an integer number (105706056506011).

Almost surely, 2^{211412113012021} is an apocalyptic number.

It is an amenable number.

211412113012021 is a deficient number, since it is larger than the sum of its proper divisors (1).

211412113012021 is an equidigital number, since it uses as much as digits as its factorization.

211412113012021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 22.

Adding to 211412113012021 its reverse (120210311214112), we get a palindrome (331622424226133).

The spelling of 211412113012021 in words is "two hundred eleven trillion, four hundred twelve billion, one hundred thirteen million, twelve thousand, twenty-one".