2002011 has 32 divisors (see below), whose sum is σ = 3194880. Its totient is φ = 1101600.

The previous prime is 2002009. The next prime is 2002019. The reversal of 2002011 is 1102002.

It is a happy number.

It is not a de Polignac number, because 2002011 - 2¹ = 2002009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19386 + ... + 19488.

It is an arithmetic number, because the mean of its divisors is an integer number (99840).

2^2002011 is an apocalyptic number.

2002011 is a deficient number, since it is larger than the sum of its proper divisors (1192869).

2002011 is a wasteful number, since it uses less digits than its factorization.

2002011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167.

The product of its (nonzero) digits is 4, while the sum is 6.

The square root of 2002011 is about 1414.9243796048. The cubic root of 2002011 is about 126.0343191977.

Adding to 2002011 its reverse (1102002), we get a palindrome (3104013).

Subtracting from 2002011 its reverse (1102002), we obtain a palindrome (900009).

It can be divided in two parts, 200 and 2011, that added together give a triangular number (2211 = T₆₆).

The spelling of 2002011 in words is "two million, two thousand, eleven".