101223420321 has 4 divisors (see below), whose sum is σ = 134964560432. Its totient is φ = 67482280212.

The previous prime is 101223420307. The next prime is 101223420407. The reversal of 101223420321 is 123024322101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 101223420321 - 2¹¹ = 101223418273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101223420121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16870570051 + ... + 16870570056.

It is an arithmetic number, because the mean of its divisors is an integer number (33741140108).

Almost surely, 2^101223420321 is an apocalyptic number.

It is an amenable number.

101223420321 is a deficient number, since it is larger than the sum of its proper divisors (33741140111).

101223420321 is an equidigital number, since it uses as much as digits as its factorization.

101223420321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33741140110.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 101223420321 its reverse (123024322101), we get a palindrome (224247742422).

The spelling of 101223420321 in words is "one hundred one billion, two hundred twenty-three million, four hundred twenty thousand, three hundred twenty-one".