211341222231 has 4 divisors (see below), whose sum is σ = 281788296312. Its totient is φ = 140894148152.

The previous prime is 211341222229. The next prime is 211341222233. The reversal of 211341222231 is 132222143112.

211341222231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (211341222229) and next prime (211341222233).

It is a cyclic number.

It is not a de Polignac number, because 211341222231 - 2¹ = 211341222229 is a prime.

It is a super-2 number, since 2×211341222231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211341222233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35223537036 + ... + 35223537041.

It is an arithmetic number, because the mean of its divisors is an integer number (70447074078).

Almost surely, 2^211341222231 is an apocalyptic number.

211341222231 is a deficient number, since it is larger than the sum of its proper divisors (70447074081).

211341222231 is an equidigital number, since it uses as much as digits as its factorization.

211341222231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70447074080.

The product of its digits is 1152, while the sum is 24.

Adding to 211341222231 its reverse (132222143112), we get a palindrome (343563365343).

The spelling of 211341222231 in words is "two hundred eleven billion, three hundred forty-one million, two hundred twenty-two thousand, two hundred thirty-one".