442121102205 has 16 divisors (see below), whose sum is σ = 744625014720. Its totient is φ = 223387504128.

The previous prime is 442121102201. The next prime is 442121102231. The reversal of 442121102205 is 502201121244.

It is not a de Polignac number, because 442121102205 - 2² = 442121102201 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442121102201) 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, 775650772 + ... + 775651341.

It is an arithmetic number, because the mean of its divisors is an integer number (46539063420).

Almost surely, 2^442121102205 is an apocalyptic number.

It is an amenable number.

442121102205 is a deficient number, since it is larger than the sum of its proper divisors (302503912515).

442121102205 is a wasteful number, since it uses less digits than its factorization.

442121102205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1551302140.

The product of its (nonzero) digits is 1280, while the sum is 24.

Adding to 442121102205 its reverse (502201121244), we get a palindrome (944322223449).

The spelling of 442121102205 in words is "four hundred forty-two billion, one hundred twenty-one million, one hundred two thousand, two hundred five".