211212112020201 has 40 divisors (see below), whose sum is σ = 315602401403520. Its totient is φ = 140768802907488.

The previous prime is 211212112020179. The next prime is 211212112020209. The reversal of 211212112020201 is 102020211212112.

211212112020201 is a `hidden beast` number, since 211 + 2 + 1 + 211 + 20 + 20 + 201 = 666.

It is not a de Polignac number, because 211212112020201 - 2¹³ = 211212112012009 is a prime.

It is a super-2 number, since 2×211212112020201² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211212112020209) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5040480016 + ... + 5040521918.

It is an arithmetic number, because the mean of its divisors is an integer number (7890060035088).

Almost surely, 2^{211212112020201} is an apocalyptic number.

It is an amenable number.

211212112020201 is a deficient number, since it is larger than the sum of its proper divisors (104390289383319).

211212112020201 is an equidigital number, since it uses as much as digits as its factorization.

211212112020201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57787 (or 57778 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 211212112020201 its reverse (102020211212112), we get a palindrome (313232323232313).

The spelling of 211212112020201 in words is "two hundred eleven trillion, two hundred twelve billion, one hundred twelve million, twenty thousand, two hundred one".