100001101212201 has 24 divisors (see below), whose sum is σ = 155106353446464. Its totient is φ = 57142526807520.

The previous prime is 100001101212193. The next prime is 100001101212211. The reversal of 100001101212201 is 102212101100001.

It is not a de Polignac number, because 100001101212201 - 2³ = 100001101212193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100001101212211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3117891 + ... + 14481831.

It is an arithmetic number, because the mean of its divisors is an integer number (6462764726936).

Almost surely, 2^{100001101212201} is an apocalyptic number.

It is an amenable number.

100001101212201 is a deficient number, since it is larger than the sum of its proper divisors (55105252234263).

100001101212201 is a wasteful number, since it uses less digits than its factorization.

100001101212201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11423821 (or 11423814 counting only the distinct ones).

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

Adding to 100001101212201 its reverse (102212101100001), we get a palindrome (202213202312202).

The spelling of 100001101212201 in words is "one hundred trillion, one billion, one hundred one million, two hundred twelve thousand, two hundred one".