2111211300 has 144 divisors (see below), whose sum is σ = 7055923392. Its totient is φ = 481689600.

The previous prime is 2111211241. The next prime is 2111211301. The reversal of 2111211300 is 31121112.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (2111211301) 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, 37284 + ... + 74916.

It is an arithmetic number, because the mean of its divisors is an integer number (48999468).

Almost surely, 2^2111211300 is an apocalyptic number.

2111211300 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 2111211300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3527961696).

2111211300 is an abundant number, since it is smaller than the sum of its proper divisors (4944712092).

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

2111211300 is a wasteful number, since it uses less digits than its factorization.

2111211300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37678 (or 37671 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 2111211300 is about 45947.9194305901. The cubic root of 2111211300 is about 1282.8540036336.

Adding to 2111211300 its reverse (31121112), we get a palindrome (2142332412).

The spelling of 2111211300 in words is "two billion, one hundred eleven million, two hundred eleven thousand, three hundred".