1123213210321 has 8 divisors (see below), whose sum is σ = 1189917544320. Its totient is φ = 1056579206208.

The previous prime is 1123213210313. The next prime is 1123213210373. The reversal of 1123213210321 is 1230123123211.

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

It is a cyclic number.

It is not a de Polignac number, because 1123213210321 - 2³ = 1123213210313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1123213210292 and 1123213210301.

It is not an unprimeable number, because it can be changed into a prime (1123213213321) 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, 17549581 + ... + 17613466.

It is an arithmetic number, because the mean of its divisors is an integer number (148739693040).

Almost surely, 2^{1123213210321} is an apocalyptic number.

It is an amenable number.

1123213210321 is a deficient number, since it is larger than the sum of its proper divisors (66704333999).

1123213210321 is a wasteful number, since it uses less digits than its factorization.

1123213210321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35164943.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1123213210321 its reverse (1230123123211), we get a palindrome (2353336333532).

The spelling of 1123213210321 in words is "one trillion, one hundred twenty-three billion, two hundred thirteen million, two hundred ten thousand, three hundred twenty-one".