211201142233401 has 16 divisors (see below), whose sum is σ = 313101850950720. Its totient is φ = 140705690050080.

The previous prime is 211201142233381. The next prime is 211201142233441. The reversal of 211201142233401 is 104332241102112.

211201142233401 is a `hidden beast` number, since 2 + 1 + 1 + 20 + 1 + 1 + 4 + 2 + 233 + 401 = 666.

It is not a de Polignac number, because 211201142233401 - 2¹³ = 211201142225209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (211201142233441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2640832575 + ... + 2640912548.

It is an arithmetic number, because the mean of its divisors is an integer number (19568865684420).

Almost surely, 2^{211201142233401} is an apocalyptic number.

It is an amenable number.

211201142233401 is a deficient number, since it is larger than the sum of its proper divisors (101900708717319).

211201142233401 is a wasteful number, since it uses less digits than its factorization.

211201142233401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5281746613 (or 5281746607 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 211201142233401 its reverse (104332241102112), we get a palindrome (315533383335513).

The spelling of 211201142233401 in words is "two hundred eleven trillion, two hundred one billion, one hundred forty-two million, two hundred thirty-three thousand, four hundred one".