211242340202103 has 24 divisors (see below), whose sum is σ = 348721157990400. Its totient is φ = 120708647300304.

The previous prime is 211242340202083. The next prime is 211242340202119. The reversal of 211242340202103 is 301202043242112.

211242340202103 is a `hidden beast` number, since 2 + 1 + 1 + 2 + 42 + 3 + 402 + 0 + 210 + 3 = 666.

211242340202103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 211242340202103 - 2¹⁶ = 211242340136567 is a prime.

It is a super-2 number, since 2×211242340202103² (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 (211242340202203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11425863 + ... + 23516696.

It is an arithmetic number, because the mean of its divisors is an integer number (14530048249600).

Almost surely, 2^{211242340202103} is an apocalyptic number.

211242340202103 is a deficient number, since it is larger than the sum of its proper divisors (137478817788297).

211242340202103 is a wasteful number, since it uses less digits than its factorization.

211242340202103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35038531 (or 35038528 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 211242340202103 its reverse (301202043242112), we get a palindrome (512444383444215).

The spelling of 211242340202103 in words is "two hundred eleven trillion, two hundred forty-two billion, three hundred forty million, two hundred two thousand, one hundred three".