1000011211 has 4 divisors (see below), whose sum is σ = 1052643400. Its totient is φ = 947379024.

The previous prime is 1000011161. The next prime is 1000011223. The reversal of 1000011211 is 1121100001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1000011211 - 2⁷ = 1000011083 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1000011194 and 1000011203.

It is not an unprimeable number, because it can be changed into a prime (1000011011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26316066 + ... + 26316103.

It is an arithmetic number, because the mean of its divisors is an integer number (263160850).

Almost surely, 2^1000011211 is an apocalyptic number.

1000011211 is a deficient number, since it is larger than the sum of its proper divisors (52632189).

1000011211 is an equidigital number, since it uses as much as digits as its factorization.

1000011211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52632188.

The product of its (nonzero) digits is 2, while the sum is 7.

The square root of 1000011211 is about 31622.9538626612. The cubic root of 1000011211 is about 1000.0037369860.

Adding to 1000011211 its reverse (1121100001), we get a palindrome (2121111212).

The spelling of 1000011211 in words is "one billion, eleven thousand, two hundred eleven".