321221012213023 has 8 divisors (see below), whose sum is σ = 345931952209088. Its totient is φ = 296510305269024.

The previous prime is 321221012212999. The next prime is 321221012213027. The reversal of 321221012213023 is 320312210122123.

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 321221012213023 - 2¹³ = 321221012204831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321221012213027) 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, 55395111 + ... + 60918472.

It is an arithmetic number, because the mean of its divisors is an integer number (43241494026136).

Almost surely, 2^{321221012213023} is an apocalyptic number.

321221012213023 is a deficient number, since it is larger than the sum of its proper divisors (24710939996065).

321221012213023 is a wasteful number, since it uses less digits than its factorization.

321221012213023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116526033.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 321221012213023 its reverse (320312210122123), we get a palindrome (641533222335146).

The spelling of 321221012213023 in words is "three hundred twenty-one trillion, two hundred twenty-one billion, twelve million, two hundred thirteen thousand, twenty-three".