23101301001221 has 8 divisors (see below), whose sum is σ = 24166413293400. Its totient is φ = 22054089756160.

The previous prime is 23101301001197. The next prime is 23101301001239. The reversal of 23101301001221 is 12210010310132.

It can be written as a sum of positive squares in 4 ways, for example, as 5145411722500 + 17955889278721 = 2268350^2 + 4237439^2 .

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 23101301001221 - 2⁴² = 18703254490117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23101301001221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23101301001271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4475259140 + ... + 4475264301.

It is an arithmetic number, because the mean of its divisors is an integer number (3020801661675).

Almost surely, 2^{23101301001221} is an apocalyptic number.

It is an amenable number.

23101301001221 is a deficient number, since it is larger than the sum of its proper divisors (1065112292179).

23101301001221 is an equidigital number, since it uses as much as digits as its factorization.

23101301001221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8950523559.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 23101301001221 its reverse (12210010310132), we get a palindrome (35311311311353).

The spelling of 23101301001221 in words is "twenty-three trillion, one hundred one billion, three hundred one million, one thousand, two hundred twenty-one".