1101001010 has 16 divisors (see below), whose sum is σ = 1982180376. Its totient is φ = 440316288.

The previous prime is 1101001009. The next prime is 1101001019. The reversal of 1101001010 is 101001011.

It can be written as a sum of positive squares in 4 ways, for example, as 753886849 + 347114161 = 27457^2 + 18631^2 .

It is a Harshad number since it is a multiple of its sum of digits (5).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1101000985 and 1101001003.

It is not an unprimeable number, because it can be changed into a prime (1101001019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92732 + ... + 103928.

Almost surely, 2^1101001010 is an apocalyptic number.

1101001010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1101001010 is a deficient number, since it is larger than the sum of its proper divisors (881179366).

1101001010 is a wasteful number, since it uses less digits than its factorization.

1101001010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21037.

The product of its (nonzero) digits is 1, while the sum is 5.

The square root of 1101001010 is about 33181.3352654772. The cubic root of 1101001010 is about 1032.5931486177.

Adding to 1101001010 its reverse (101001011), we get a palindrome (1202002021).

Subtracting from 1101001010 its reverse (101001011), we obtain a palindrome (999999999).

The spelling of 1101001010 in words is "one billion, one hundred one million, one thousand, ten".