1002111211 has 6 divisors (see below), whose sum is σ = 1037859212. Its totient is φ = 967554840.

The previous prime is 1002111203. The next prime is 1002111277. The reversal of 1002111211 is 1121112001.

It is not a de Polignac number, because 1002111211 - 2³ = 1002111203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002112211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 594945 + ... + 596626.

Almost surely, 2^1002111211 is an apocalyptic number.

1002111211 is a deficient number, since it is larger than the sum of its proper divisors (35748001).

1002111211 is an equidigital number, since it uses as much as digits as its factorization.

1002111211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1191629 (or 1191600 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

The square root of 1002111211 is about 31656.1401784867. The cubic root of 1002111211 is about 1000.7032423343.

Adding to 1002111211 its reverse (1121112001), we get a palindrome (2123223212).

The spelling of 1002111211 in words is "one billion, two million, one hundred eleven thousand, two hundred eleven".