321101212223 has 16 divisors (see below), whose sum is σ = 355437320832. Its totient is φ = 287650020000.

The previous prime is 321101212177. The next prime is 321101212231. The reversal of 321101212223 is 322212101123.

It is not a de Polignac number, because 321101212223 - 2³² = 316806244927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 321101212195 and 321101212204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321101217223) 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, 450461 + ... + 919302.

It is an arithmetic number, because the mean of its divisors is an integer number (22214832552).

Almost surely, 2^321101212223 is an apocalyptic number.

321101212223 is a deficient number, since it is larger than the sum of its proper divisors (34336108609).

321101212223 is a wasteful number, since it uses less digits than its factorization.

321101212223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1370086.

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

Adding to 321101212223 its reverse (322212101123), we get a palindrome (643313313346).

Subtracting 321101212223 from its reverse (322212101123), we obtain a square (1110888900 = 33330²).

The spelling of 321101212223 in words is "three hundred twenty-one billion, one hundred one million, two hundred twelve thousand, two hundred twenty-three".