1000211005 has 16 divisors (see below), whose sum is σ = 1267539840. Its totient is φ = 756150208.

The previous prime is 1000210999. The next prime is 1000211039. The reversal of 1000211005 is 5001120001.

It is a happy number.

It is not a de Polignac number, because 1000211005 - 2¹³ = 1000202813 is a prime.

It is a super-2 number, since 2×1000211005² = 2000844109046220050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1000210982 and 1000211000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42850 + ... + 61939.

It is an arithmetic number, because the mean of its divisors is an integer number (79221240).

Almost surely, 2^1000211005 is an apocalyptic number.

It is an amenable number.

1000211005 is a deficient number, since it is larger than the sum of its proper divisors (267328835).

1000211005 is a wasteful number, since it uses less digits than its factorization.

1000211005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104900.

The product of its (nonzero) digits is 10, while the sum is 10.

The square root of 1000211005 is about 31626.1127076977. The cubic root of 1000211005 is about 1000.0703300536.

Adding to 1000211005 its reverse (5001120001), we get a palindrome (6001331006).

The spelling of 1000211005 in words is "one billion, two hundred eleven thousand, five".