100002101212201 has 4 divisors (see below), whose sum is σ = 101033050709332. Its totient is φ = 98971151715072.

The previous prime is 100002101212183. The next prime is 100002101212291. The reversal of 100002101212201 is 102212101200001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 47470046802201 + 52532054410000 = 6889851^2 + 7247900^2 .

It is a cyclic number.

It is not a de Polignac number, because 100002101212201 - 2¹³ = 100002101204009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100002101212291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 515474748420 + ... + 515474748613.

It is an arithmetic number, because the mean of its divisors is an integer number (25258262677333).

Almost surely, 2^{100002101212201} is an apocalyptic number.

It is an amenable number.

100002101212201 is a deficient number, since it is larger than the sum of its proper divisors (1030949497131).

100002101212201 is an equidigital number, since it uses as much as digits as its factorization.

100002101212201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030949497130.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 100002101212201 its reverse (102212101200001), we get a palindrome (202214202412202).

The spelling of 100002101212201 in words is "one hundred trillion, two billion, one hundred one million, two hundred twelve thousand, two hundred one".