223101221231 has 12 divisors (see below), whose sum is σ = 266540593872. Its totient is φ = 182915283936.

The previous prime is 223101221221. The next prime is 223101221251. The reversal of 223101221231 is 132122101322.

It is not a de Polignac number, because 223101221231 - 2²² = 223097026927 is a prime.

It is a super-3 number, since 3×223101221231³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223101221221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30120686 + ... + 30128091.

It is an arithmetic number, because the mean of its divisors is an integer number (22211716156).

Almost surely, 2^223101221231 is an apocalyptic number.

223101221231 is a deficient number, since it is larger than the sum of its proper divisors (43439372641).

223101221231 is an equidigital number, since it uses as much as digits as its factorization.

223101221231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60248830 (or 60248807 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 223101221231 its reverse (132122101322), we get a palindrome (355223322553).

The spelling of 223101221231 in words is "two hundred twenty-three billion, one hundred one million, two hundred twenty-one thousand, two hundred thirty-one".