211242204130040 has 128 divisors (see below), whose sum is σ = 477034733894400. Its totient is φ = 84188359557120.

The previous prime is 211242204130019. The next prime is 211242204130103. The reversal of 211242204130040 is 40031402242112.

It is a junction number, because it is equal to n+sod(n) for n = 211242204129991 and 211242204130009.

It is a congruent number.

It is an unprimeable number.

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, 24814068824 + ... + 24814077336.

It is an arithmetic number, because the mean of its divisors is an integer number (3726833858550).

Almost surely, 2^{211242204130040} is an apocalyptic number.

211242204130040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211242204130040 is an abundant number, since it is smaller than the sum of its proper divisors (265792529764360).

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

211242204130040 is a wasteful number, since it uses less digits than its factorization.

211242204130040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11097 (or 11093 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 211242204130040 its reverse (40031402242112), we get a palindrome (251273606372152).

The spelling of 211242204130040 in words is "two hundred eleven trillion, two hundred forty-two billion, two hundred four million, one hundred thirty thousand, forty".