1000211100 has 144 divisors (see below), whose sum is σ = 3349785600. Its totient is φ = 225688320.

The previous prime is 1000211077. The next prime is 1000211119. The reversal of 1000211100 is 11120001.

1000211100 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 (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 162886 + ... + 168914.

It is an arithmetic number, because the mean of its divisors is an integer number (23262400).

Almost surely, 2^1000211100 is an apocalyptic number.

1000211100 is a gapful number since it is divisible by the number (10) 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 1000211100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1674892800).

1000211100 is an abundant number, since it is smaller than the sum of its proper divisors (2349574500).

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

1000211100 is a wasteful number, since it uses less digits than its factorization.

1000211100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6132 (or 6125 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 6.

The square root of 1000211100 is about 31626.1142096211. The cubic root of 1000211100 is about 1000.0703617158.

Adding to 1000211100 its reverse (11120001), we get a palindrome (1011331101).

The spelling of 1000211100 in words is "one billion, two hundred eleven thousand, one hundred".