100000212121201 has 8 divisors (see below), whose sum is σ = 116442295516224. Its totient is φ = 84097213427760.

The previous prime is 100000212121189. The next prime is 100000212121261. The reversal of 100000212121201 is 102121212000001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100000212121201 - 2⁹ = 100000212120689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100000212121261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134771174995 + ... + 134771175736.

It is an arithmetic number, because the mean of its divisors is an integer number (14555286939528).

Almost surely, 2^{100000212121201} is an apocalyptic number.

It is an amenable number.

100000212121201 is a deficient number, since it is larger than the sum of its proper divisors (16442083395023).

100000212121201 is an equidigital number, since it uses as much as digits as its factorization.

100000212121201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269542350791.

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

Adding to 100000212121201 its reverse (102121212000001), we get a palindrome (202121424121202).

The spelling of 100000212121201 in words is "one hundred trillion, two hundred twelve million, one hundred twenty-one thousand, two hundred one".