1002011010 has 256 divisors, whose sum is σ = 3287789568. Its totient is φ = 188697600.

The previous prime is 1002010981. The next prime is 1002011011. The reversal of 1002011010 is 101102001.

It is a super-2 number, since 2×1002011010² = 2008052128322440200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a self number, because there is not a number n which added to its sum of digits gives 1002011010.

It is not an unprimeable number, because it can be changed into a prime (1002011011) 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 127 ways as a sum of consecutive naturals, for example, 1831557 + ... + 1832103.

It is an arithmetic number, because the mean of its divisors is an integer number (12842928).

Almost surely, 2^1002011010 is an apocalyptic number.

1002011010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1002011010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1643894784).

1002011010 is an abundant number, since it is smaller than the sum of its proper divisors (2285778558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1002011010 is a wasteful number, since it uses less digits than its factorization.

1002011010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649.

The product of its (nonzero) digits is 2, while the sum is 6.

The square root of 1002011010 is about 31654.5574917736. The cubic root of 1002011010 is about 1000.6698878168.

Adding to 1002011010 its reverse (101102001), we get a palindrome (1103113011).

Subtracting from 1002011010 its reverse (101102001), we obtain a palindrome (900909009).

The spelling of 1002011010 in words is "one billion, two million, eleven thousand, ten".