211346623136103 has 32 divisors (see below), whose sum is σ = 346830727488000. Its totient is φ = 111477769693056.

The previous prime is 211346623136087. The next prime is 211346623136111. The reversal of 211346623136103 is 301631326643112.

It is not a de Polignac number, because 211346623136103 - 2⁴ = 211346623136087 is a prime.

It is a super-2 number, since 2×211346623136103² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211346623136203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11198748 + ... + 23411646.

It is an arithmetic number, because the mean of its divisors is an integer number (10838460234000).

Almost surely, 2^{211346623136103} is an apocalyptic number.

211346623136103 is a deficient number, since it is larger than the sum of its proper divisors (135484104351897).

211346623136103 is a wasteful number, since it uses less digits than its factorization.

211346623136103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12276311.

The product of its (nonzero) digits is 279936, while the sum is 42.

Adding to 211346623136103 its reverse (301631326643112), we get a palindrome (512977949779215).

The spelling of 211346623136103 in words is "two hundred eleven trillion, three hundred forty-six billion, six hundred twenty-three million, one hundred thirty-six thousand, one hundred three".