100101001010 has 8 divisors (see below), whose sum is σ = 180181801836.
Its totient is φ = 40040400400.
The previous prime is 100101000977. The next prime is 100101001027. The reversal of 100101001010 is 10100101001.
It can be written as a sum of positive squares in 2 ways, for example, as 95937009169 + 4163991841 = 309737^2 + 64529^2
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Harshad number since it is a multiple of its sum of digits (5).
It is a junction number, because it is equal to n+sod(n) for n = 100101000985 and 100101001003.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5005050041 + ... + 5005050060.
Almost surely, 2100101001010 is an apocalyptic number.
100101001010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
100101001010 is a deficient number, since it is larger than the sum of its proper divisors (80080800826).
100101001010 is a wasteful number, since it uses less digits than its factorization.
100101001010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10010100108.
The product of its (nonzero) digits is 1, while the sum is 5.
Adding to 100101001010 its reverse (10100101001), we get a palindrome (110201102011).
Subtracting from 100101001010 its reverse (10100101001), we obtain a palindrome (90000900009).
The spelling of 100101001010 in words is "one hundred billion, one hundred one million, one thousand, ten".