2231221101323 has 8 divisors (see below), whose sum is σ = 2329177593600. Its totient is φ = 2133343515688.

The previous prime is 2231221101253. The next prime is 2231221101331. The reversal of 2231221101323 is 3231011221322.

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 2231221101323 - 2¹² = 2231221097227 is a prime.

It is a super-3 number, since 3×2231221101323³ (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2231221109323) 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 7 ways as a sum of consecutive naturals, for example, 19668863 + ... + 19781976.

It is an arithmetic number, because the mean of its divisors is an integer number (291147199200).

Almost surely, 2^{2231221101323} is an apocalyptic number.

2231221101323 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2231221101323 is a deficient number, since it is larger than the sum of its proper divisors (97956492277).

2231221101323 is a wasteful number, since it uses less digits than its factorization.

2231221101323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39453321.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 2231221101323 its reverse (3231011221322), we get a palindrome (5462232322645).

The spelling of 2231221101323 in words is "two trillion, two hundred thirty-one billion, two hundred twenty-one million, one hundred one thousand, three hundred twenty-three".