442421222101 has 16 divisors (see below), whose sum is σ = 467659483200. Its totient is φ = 417378960000.

The previous prime is 442421222071. The next prime is 442421222129. The reversal of 442421222101 is 101222124244.

It is a cyclic number.

It is not a de Polignac number, because 442421222101 - 2⁵ = 442421222069 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 (442421225101) 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, 41775915 + ... + 41786503.

It is an arithmetic number, because the mean of its divisors is an integer number (29228717700).

Almost surely, 2^442421222101 is an apocalyptic number.

It is an amenable number.

442421222101 is a deficient number, since it is larger than the sum of its proper divisors (25238261099).

442421222101 is a wasteful number, since it uses less digits than its factorization.

442421222101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19620.

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 442421222101 its reverse (101222124244), we get a palindrome (543643346345).

The spelling of 442421222101 in words is "four hundred forty-two billion, four hundred twenty-one million, two hundred twenty-two thousand, one hundred one".