211230311033120 has 24 divisors (see below), whose sum is σ = 499031609816124. Its totient is φ = 84492124413184.

The previous prime is 211230311033081. The next prime is 211230311033149. The reversal of 211230311033120 is 21330113032112.

It can be written as a sum of positive squares in 2 ways, for example, as 196868848752016 + 14361462281104 = 14030996^2 + 3789652^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 660094721819 + ... + 660094722138.

Almost surely, 2^{211230311033120} is an apocalyptic number.

211230311033120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211230311033120 is an abundant number, since it is smaller than the sum of its proper divisors (287801298783004).

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

211230311033120 is a wasteful number, since it uses less digits than its factorization.

211230311033120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1320189443972 (or 1320189443964 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 211230311033120 its reverse (21330113032112), we get a palindrome (232560424065232).

The spelling of 211230311033120 in words is "two hundred eleven trillion, two hundred thirty billion, three hundred eleven million, thirty-three thousand, one hundred twenty".