213122224032401 has 4 divisors (see below), whose sum is σ = 213466524879600. Its totient is φ = 212777923185204.

The previous prime is 213122224032379. The next prime is 213122224032439. The reversal of 213122224032401 is 104230422221312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 213122224032401 - 2¹⁰ = 213122224031377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213122224032461) 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, 172150422671 + ... + 172150423908.

It is an arithmetic number, because the mean of its divisors is an integer number (53366631219900).

Almost surely, 2^{213122224032401} is an apocalyptic number.

It is an amenable number.

213122224032401 is a deficient number, since it is larger than the sum of its proper divisors (344300847199).

213122224032401 is an equidigital number, since it uses as much as digits as its factorization.

213122224032401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344300847198.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 213122224032401 its reverse (104230422221312), we get a palindrome (317352646253713).

The spelling of 213122224032401 in words is "two hundred thirteen trillion, one hundred twenty-two billion, two hundred twenty-four million, thirty-two thousand, four hundred one".