1001002211 has 8 divisors (see below), whose sum is σ = 1156238064. Its totient is φ = 856472320.

The previous prime is 1001002169. The next prime is 1001002217. The reversal of 1001002211 is 1122001001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1001002211 - 2⁶ = 1001002147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1001002217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2676290 + ... + 2676663.

It is an arithmetic number, because the mean of its divisors is an integer number (144529758).

Almost surely, 2^1001002211 is an apocalyptic number.

1001002211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1001002211 is a deficient number, since it is larger than the sum of its proper divisors (155235853).

1001002211 is a wasteful number, since it uses less digits than its factorization.

1001002211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5352981.

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

The square root of 1001002211 is about 31638.6189806066. The cubic root of 1001002211 is about 1000.3339587924. Note that the first 3 decimals are identical.

Adding to 1001002211 its reverse (1122001001), we get a palindrome (2123003212).

The spelling of 1001002211 in words is "one billion, one million, two thousand, two hundred eleven".