211210134344 has 32 divisors (see below), whose sum is σ = 432485935200. Its totient is φ = 95901227520.

The previous prime is 211210134301. The next prime is 211210134403. The reversal of 211210134344 is 443431012112.

It is a super-2 number, since 2×211210134344² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1210022 + ... + 1373525.

It is an arithmetic number, because the mean of its divisors is an integer number (13515185475).

Almost surely, 2^211210134344 is an apocalyptic number.

It is an amenable number.

211210134344 is an abundant number, since it is smaller than the sum of its proper divisors (221275800856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211210134344 is a wasteful number, since it uses less digits than its factorization.

211210134344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2584493 (or 2584489 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 211210134344 its reverse (443431012112), we get a palindrome (654641146456).

The spelling of 211210134344 in words is "two hundred eleven billion, two hundred ten million, one hundred thirty-four thousand, three hundred forty-four".