1002002211 has 64 divisors (see below), whose sum is σ = 1750425600. Its totient is φ = 554607648.

The previous prime is 1002002201. The next prime is 1002002233. The reversal of 1002002211 is 1122002001.

It is not a de Polignac number, because 1002002211 - 2⁵ = 1002002179 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1002002193 and 1002002202.

It is not an unprimeable number, because it can be changed into a prime (1002002201) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1129210 + ... + 1130096.

It is an arithmetic number, because the mean of its divisors is an integer number (27350400).

Almost surely, 2^1002002211 is an apocalyptic number.

1002002211 is a deficient number, since it is larger than the sum of its proper divisors (748423389).

1002002211 is a wasteful number, since it uses less digits than its factorization.

1002002211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085 (or 1079 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 1002002211 is about 31654.4185067425. The cubic root of 1002002211 is about 1000.6669587338. Note that the first 3 decimals are identical.

Adding to 1002002211 its reverse (1122002001), we get a palindrome (2124004212).

The spelling of 1002002211 in words is "one billion, two million, two thousand, two hundred eleven".