211311929300 has 18 divisors (see below), whose sum is σ = 458546886798. Its totient is φ = 84524771680.

The previous prime is 211311929281. The next prime is 211311929303. The reversal of 211311929300 is 3929113112.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 53312039236 + 157999890064 = 230894^2 + 397492^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211311929303) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1056559547 + ... + 1056559746.

Almost surely, 2^211311929300 is an apocalyptic number.

211311929300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211311929300 is an abundant number, since it is smaller than the sum of its proper divisors (247234957498).

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

211311929300 is a wasteful number, since it uses less digits than its factorization.

211311929300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2113119307 (or 2113119300 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 32.

The spelling of 211311929300 in words is "two hundred eleven billion, three hundred eleven million, nine hundred twenty-nine thousand, three hundred".