223101231343121 has 4 divisors (see below), whose sum is σ = 236224833186852. Its totient is φ = 209977629499392.

The previous prime is 223101231343093. The next prime is 223101231343147. The reversal of 223101231343121 is 121343132101322.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 195400167630721 + 27701063712400 = 13978561^2 + 5263180^2 .

It is a cyclic number.

It is not a de Polignac number, because 223101231343121 - 2¹⁴ = 223101231326737 is a prime.

It is a super-3 number, since 3×223101231343121³ (a number of 44 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (223101231343171) 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, 6561800921840 + ... + 6561800921873.

It is an arithmetic number, because the mean of its divisors is an integer number (59056208296713).

Almost surely, 2^{223101231343121} is an apocalyptic number.

It is an amenable number.

223101231343121 is a deficient number, since it is larger than the sum of its proper divisors (13123601843731).

223101231343121 is a wasteful number, since it uses less digits than its factorization.

223101231343121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13123601843730.

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 223101231343121 its reverse (121343132101322), we get a palindrome (344444363444443).

The spelling of 223101231343121 in words is "two hundred twenty-three trillion, one hundred one billion, two hundred thirty-one million, three hundred forty-three thousand, one hundred twenty-one".