100011221201012 has 48 divisors (see below), whose sum is σ = 195952925068992. Its totient is φ = 44276355252480.

The previous prime is 100011221200909. The next prime is 100011221201039. The reversal of 100011221201012 is 210102122110001.

It is a super-2 number, since 2×100011221201012² (a number of 29 digits) contains 22 as substring.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 156200438 + ... + 156839405.

It is an arithmetic number, because the mean of its divisors is an integer number (4082352605604).

Almost surely, 2^{100011221201012} is an apocalyptic number.

It is an amenable number.

100011221201012 is a deficient number, since it is larger than the sum of its proper divisors (95941703867980).

100011221201012 is a wasteful number, since it uses less digits than its factorization.

100011221201012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313040048 (or 313040046 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 100011221201012 its reverse (210102122110001), we get a palindrome (310113343311013).

The spelling of 100011221201012 in words is "one hundred trillion, eleven billion, two hundred twenty-one million, two hundred one thousand, twelve".