1100021010 has 32 divisors (see below), whose sum is σ = 2880055872. Its totient is φ = 266671680.

The previous prime is 1100021003. The next prime is 1100021029. The reversal of 1100021010 is 101200011.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1100021010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1666369 + ... + 1667028.

It is an arithmetic number, because the mean of its divisors is an integer number (90001746).

Almost surely, 2^1100021010 is an apocalyptic number.

1100021010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1100021010 is an abundant number, since it is smaller than the sum of its proper divisors (1780034862).

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

1100021010 is a wasteful number, since it uses less digits than its factorization.

1100021010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3333418.

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

The square root of 1100021010 is about 33166.5646397091. The cubic root of 1100021010 is about 1032.2866875979.

Adding to 1100021010 its reverse (101200011), we get a palindrome (1201221021).

The spelling of 1100021010 in words is "one billion, one hundred million, twenty-one thousand, ten".