211241320344120 has 128 divisors (see below), whose sum is σ = 691445747139840. Its totient is φ = 51201830615040.

The previous prime is 211241320344113. The next prime is 211241320344121. The reversal of 211241320344120 is 21443023142112.

It is a happy number.

211241320344120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211241320344121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4528942 + ... + 21047421.

It is an arithmetic number, because the mean of its divisors is an integer number (5401919899530).

Almost surely, 2^{211241320344120} is an apocalyptic number.

211241320344120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211241320344120 is an abundant number, since it is smaller than the sum of its proper divisors (480204426795720).

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

211241320344120 is a wasteful number, since it uses less digits than its factorization.

211241320344120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25582645 (or 25582641 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 211241320344120 its reverse (21443023142112), we get a palindrome (232684343486232).

The spelling of 211241320344120 in words is "two hundred eleven trillion, two hundred forty-one billion, three hundred twenty million, three hundred forty-four thousand, one hundred twenty".