223021110120231 has 16 divisors (see below), whose sum is σ = 297951766786656. Its totient is φ = 148385848281216.

The previous prime is 223021110120181. The next prime is 223021110120257. The reversal of 223021110120231 is 132021011120322.

It is not a de Polignac number, because 223021110120231 - 2¹⁰ = 223021110119207 is a prime.

It is a super-2 number, since 2×223021110120231² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223021110120198 and 223021110120207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223021110110231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27891120 + ... + 34985093.

It is an arithmetic number, because the mean of its divisors is an integer number (18621985424166).

Almost surely, 2^{223021110120231} is an apocalyptic number.

223021110120231 is a deficient number, since it is larger than the sum of its proper divisors (74930656666425).

223021110120231 is a wasteful number, since it uses less digits than its factorization.

223021110120231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62878562.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 223021110120231 its reverse (132021011120322), we get a palindrome (355042121240553).

The spelling of 223021110120231 in words is "two hundred twenty-three trillion, twenty-one billion, one hundred ten million, one hundred twenty thousand, two hundred thirty-one".