1000120211 has 4 divisors (see below), whose sum is σ = 1003838400. Its totient is φ = 996402024.

The previous prime is 1000120181. The next prime is 1000120243. The reversal of 1000120211 is 1120210001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1120210001 = 881 ⋅1271521.

It is a cyclic number.

It is not a de Polignac number, because 1000120211 - 2¹⁰ = 1000119187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000120291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1858691 + ... + 1859228.

It is an arithmetic number, because the mean of its divisors is an integer number (250959600).

Almost surely, 2^1000120211 is an apocalyptic number.

1000120211 is a deficient number, since it is larger than the sum of its proper divisors (3718189).

1000120211 is an equidigital number, since it uses as much as digits as its factorization.

1000120211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3718188.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 1000120211 is about 31624.6772473649. The cubic root of 1000120211 is about 1000.0400687278.

Adding to 1000120211 its reverse (1120210001), we get a palindrome (2120330212).

The spelling of 1000120211 in words is "one billion, one hundred twenty thousand, two hundred eleven".