1100211000 has 128 divisors (see below), whose sum is σ = 3923112960. Its totient is φ = 251472000.

The previous prime is 1100210971. The next prime is 1100211001. The reversal of 1100211000 is 1120011.

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 self number, because there is not a number n which added to its sum of digits gives 1100211000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100211001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5196 + ... + 47195.

It is an arithmetic number, because the mean of its divisors is an integer number (30649320).

Almost surely, 2^1100211000 is an apocalyptic number.

1100211000 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 1100211000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1961556480).

1100211000 is an abundant number, since it is smaller than the sum of its proper divisors (2822901960).

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

1100211000 is a wasteful number, since it uses less digits than its factorization.

1100211000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52422 (or 52408 counting only the distinct ones).

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

The square root of 1100211000 is about 33169.4286957132. The cubic root of 1100211000 is about 1032.3461146016.

Adding to 1100211000 its reverse (1120011), we get a palindrome (1101331011).

The spelling of 1100211000 in words is "one billion, one hundred million, two hundred eleven thousand".