211201011340 has 24 divisors (see below), whose sum is σ = 483842317392. Its totient is φ = 76800367680.

The previous prime is 211201011331. The next prime is 211201011353. The reversal of 211201011340 is 43110102112.

211201011340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 480002079 + ... + 480002518.

It is an arithmetic number, because the mean of its divisors is an integer number (20160096558).

Almost surely, 2^211201011340 is an apocalyptic number.

211201011340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211201011340 is an abundant number, since it is smaller than the sum of its proper divisors (272641306052).

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

211201011340 is a wasteful number, since it uses less digits than its factorization.

211201011340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960004617 (or 960004615 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 211201011340 its reverse (43110102112), we get a palindrome (254311113452).

The spelling of 211201011340 in words is "two hundred eleven billion, two hundred one million, eleven thousand, three hundred forty".