1010021010 has 48 divisors (see below), whose sum is σ = 2444008896. Its totient is φ = 267129856.

The previous prime is 1010020997. The next prime is 1010021021. The reversal of 1010021010 is 101200101.

1010021010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1010021010.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2249266 + ... + 2249714.

It is an arithmetic number, because the mean of its divisors is an integer number (50916852).

Almost surely, 2^1010021010 is an apocalyptic number.

1010021010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1010021010 is an abundant number, since it is smaller than the sum of its proper divisors (1433987886).

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

1010021010 is an equidigital number, since it uses as much as digits as its factorization.

1010021010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075 (or 626 counting only the distinct ones).

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

The square root of 1010021010 is about 31780.8277110588. The cubic root of 1010021010 is about 1003.3292405239.

Adding to 1010021010 its reverse (101200101), we get a palindrome (1111221111).

The spelling of 1010021010 in words is "one billion, ten million, twenty-one thousand, ten".