100001100121010 has 64 divisors (see below), whose sum is σ = 196634019415680. Its totient is φ = 36314371768320.

The previous prime is 100001100121007. The next prime is 100001100121193. The reversal of 100001100121010 is 10121001100001.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1771878512 + ... + 1771934948.

It is an arithmetic number, because the mean of its divisors is an integer number (3072406553370).

Almost surely, 2^{100001100121010} is an apocalyptic number.

100001100121010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100001100121010 is a deficient number, since it is larger than the sum of its proper divisors (96632919294670).

100001100121010 is a wasteful number, since it uses less digits than its factorization.

100001100121010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78171.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 100001100121010 its reverse (10121001100001), we get a palindrome (110122101221011).

The spelling of 100001100121010 in words is "one hundred trillion, one billion, one hundred million, one hundred twenty-one thousand, ten".