100001201221011 has 16 divisors (see below), whose sum is σ = 139909380399360. Its totient is φ = 63412631193120.

The previous prime is 100001201220937. The next prime is 100001201221037. The reversal of 100001201221011 is 110122102100001.

It is not a de Polignac number, because 100001201221011 - 2²⁶ = 100001134112147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100001201221211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4048291480 + ... + 4048316181.

It is an arithmetic number, because the mean of its divisors is an integer number (8744336274960).

Almost surely, 2^{100001201221011} is an apocalyptic number.

100001201221011 is a deficient number, since it is larger than the sum of its proper divisors (39908179178349).

100001201221011 is a wasteful number, since it uses less digits than its factorization.

100001201221011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8096607866.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 100001201221011 its reverse (110122102100001), we get a palindrome (210123303321012).

The spelling of 100001201221011 in words is "one hundred trillion, one billion, two hundred one million, two hundred twenty-one thousand, eleven".