201021100012201 has 64 divisors (see below), whose sum is σ = 258582988984320. Its totient is φ = 152116908871680.

The previous prime is 201021100012193. The next prime is 201021100012253. The reversal of 201021100012201 is 102210001120102.

It is not a de Polignac number, because 201021100012201 - 2³ = 201021100012193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201021100010201) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1509248130 + ... + 1509381316.

It is an arithmetic number, because the mean of its divisors is an integer number (4040359202880).

Almost surely, 2^{201021100012201} is an apocalyptic number.

It is an amenable number.

201021100012201 is a deficient number, since it is larger than the sum of its proper divisors (57561888972119).

201021100012201 is a wasteful number, since it uses less digits than its factorization.

201021100012201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139814.

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

Adding to 201021100012201 its reverse (102210001120102), we get a palindrome (303231101132303).

The spelling of 201021100012201 in words is "two hundred one trillion, twenty-one billion, one hundred million, twelve thousand, two hundred one".