223131121320111 has 8 divisors (see below), whose sum is σ = 297511542848304. Its totient is φ = 148752390336000.

The previous prime is 223131121320097. The next prime is 223131121320127. The reversal of 223131121320111 is 111023121131322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 223131121320111 - 2¹⁰ = 223131121319087 is a prime.

It is a super-3 number, since 3×223131121320111³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223131121320161) 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, 422328016 + ... + 422856021.

It is an arithmetic number, because the mean of its divisors is an integer number (37188942856038).

Almost surely, 2^{223131121320111} is an apocalyptic number.

223131121320111 is a deficient number, since it is larger than the sum of its proper divisors (74380421528193).

223131121320111 is an equidigital number, since it uses as much as digits as its factorization.

223131121320111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845272041.

The product of its (nonzero) digits is 432, while the sum is 24.

Adding to 223131121320111 its reverse (111023121131322), we get a palindrome (334154242451433).

The spelling of 223131121320111 in words is "two hundred twenty-three trillion, one hundred thirty-one billion, one hundred twenty-one million, three hundred twenty thousand, one hundred eleven".