211012203100 has 144 divisors (see below), whose sum is σ = 476249518080. Its totient is φ = 81091571200.

The previous prime is 211012203079. The next prime is 211012203107. The reversal of 211012203100 is 1302210112.

211012203100 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×211012203100² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211012203107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 130334091 + ... + 130335709.

It is an arithmetic number, because the mean of its divisors is an integer number (3307288320).

Almost surely, 2^211012203100 is an apocalyptic number.

211012203100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211012203100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238124759040).

211012203100 is an abundant number, since it is smaller than the sum of its proper divisors (265237314980).

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

211012203100 is a wasteful number, since it uses less digits than its factorization.

211012203100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2140 (or 2133 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 211012203100 its reverse (1302210112), we get a palindrome (212314413212).

The spelling of 211012203100 in words is "two hundred eleven billion, twelve million, two hundred three thousand, one hundred".