100101011001010 has 8 divisors (see below), whose sum is σ = 180181819801836. Its totient is φ = 40040404400400.

The previous prime is 100101011000981. The next prime is 100101011001023. The reversal of 100101011001010 is 10100110101001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 99805554614529 + 295456386481 = 9990273^2 + 543559^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 100101011000984 and 100101011001002.

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, 5005050550041 + ... + 5005050550060.

Almost surely, 2^{100101011001010} is an apocalyptic number.

100101011001010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100101011001010 is a deficient number, since it is larger than the sum of its proper divisors (80080808800826).

100101011001010 is a wasteful number, since it uses less digits than its factorization.

100101011001010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10010101100108.

The product of its (nonzero) digits is 1, while the sum is 7.

Adding to 100101011001010 its reverse (10100110101001), we get a palindrome (110201121102011).

Subtracting from 100101011001010 its reverse (10100110101001), we obtain a palindrome (90000900900009).

The spelling of 100101011001010 in words is "one hundred trillion, one hundred one billion, eleven million, one thousand, ten".