211443320135 has 8 divisors (see below), whose sum is σ = 255557394960. Its totient is φ = 167937715584.

The previous prime is 211443320107. The next prime is 211443320147. The reversal of 211443320135 is 531023344112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 211443320135 - 2⁶ = 211443320071 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211443320098 and 211443320107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152116802 + ... + 152118191.

It is an arithmetic number, because the mean of its divisors is an integer number (31944674370).

Almost surely, 2^211443320135 is an apocalyptic number.

211443320135 is a deficient number, since it is larger than the sum of its proper divisors (44114074825).

211443320135 is a wasteful number, since it uses less digits than its factorization.

211443320135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304235137.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 211443320135 its reverse (531023344112), we get a palindrome (742466664247).

The spelling of 211443320135 in words is "two hundred eleven billion, four hundred forty-three million, three hundred twenty thousand, one hundred thirty-five".