221313130121323 has 8 divisors (see below), whose sum is σ = 223460454159360. Its totient is φ = 219172744126440.

The previous prime is 221313130121297. The next prime is 221313130121339. The reversal of 221313130121323 is 323121031313122.

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 221313130121323 - 2²¹ = 221313128024171 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221313130121291 and 221313130121300.

It is not an unprimeable number, because it can be changed into a prime (221313130121023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1734446683 + ... + 1734574276.

It is an arithmetic number, because the mean of its divisors is an integer number (27932556769920).

Almost surely, 2^{221313130121323} is an apocalyptic number.

221313130121323 is a deficient number, since it is larger than the sum of its proper divisors (2147324038037).

221313130121323 is a wasteful number, since it uses less digits than its factorization.

221313130121323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3469021577.

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 221313130121323 its reverse (323121031313122), we get a palindrome (544434161434445).

The spelling of 221313130121323 in words is "two hundred twenty-one trillion, three hundred thirteen billion, one hundred thirty million, one hundred twenty-one thousand, three hundred twenty-three".