1000211000 has 32 divisors (see below), whose sum is σ = 2340496080. Its totient is φ = 400084000.

The previous prime is 1000210999. The next prime is 1000211039. The reversal of 1000211000 is 1120001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (5).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 499106 + ... + 501105.

Almost surely, 2^1000211000 is an apocalyptic number.

1000211000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000211000 is an abundant number, since it is smaller than the sum of its proper divisors (1340285080).

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

1000211000 is a wasteful number, since it uses less digits than its factorization.

1000211000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000232 (or 1000218 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 5.

The square root of 1000211000 is about 31626.1126286491. The cubic root of 1000211000 is about 1000.0703283871.

Adding to 1000211000 its reverse (1120001), we get a palindrome (1001331001).

Subtracting from 1000211000 its reverse (1120001), we obtain a palindrome (999090999).

The spelling of 1000211000 in words is "one billion, two hundred eleven thousand".