211103013 has 12 divisors (see below), whose sum is σ = 309385664. Its totient is φ = 127941000.

The previous prime is 211102987. The next prime is 211103017. The reversal of 211103013 is 310301112.

It is not a de Polignac number, because 211103013 - 2⁶ = 211102949 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 211103013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211103017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 290413 + ... + 291138.

Almost surely, 2^211103013 is an apocalyptic number.

It is an amenable number.

211103013 is a deficient number, since it is larger than the sum of its proper divisors (98282651).

211103013 is a wasteful number, since it uses less digits than its factorization.

211103013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581576 (or 581565 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 211103013 is about 14529.3844673475. The cubic root of 211103013 is about 595.4310489008.

Adding to 211103013 its reverse (310301112), we get a palindrome (521404125).

The spelling of 211103013 in words is "two hundred eleven million, one hundred three thousand, thirteen".