223321012132021 has 8 divisors (see below), whose sum is σ = 241956554868864. Its totient is φ = 205296470796480.

The previous prime is 223321012131937. The next prime is 223321012132061. The reversal of 223321012132021 is 120231210123322.

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 223321012132021 - 2⁹ = 223321012131509 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 (223321012132061) 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, 152750349565 + ... + 152750351026.

It is an arithmetic number, because the mean of its divisors is an integer number (30244569358608).

Almost surely, 2^{223321012132021} is an apocalyptic number.

It is an amenable number.

223321012132021 is a deficient number, since it is larger than the sum of its proper divisors (18635542736843).

223321012132021 is a wasteful number, since it uses less digits than its factorization.

223321012132021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305500700651.

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

Adding to 223321012132021 its reverse (120231210123322), we get a palindrome (343552222255343).

The spelling of 223321012132021 in words is "two hundred twenty-three trillion, three hundred twenty-one billion, twelve million, one hundred thirty-two thousand, twenty-one".