442210142121 has 32 divisors (see below), whose sum is σ = 648531836928. Its totient is φ = 265792343040.

The previous prime is 442210142107. The next prime is 442210142159. The reversal of 442210142121 is 121241012244.

It is a happy number.

It is not a de Polignac number, because 442210142121 - 2¹⁴ = 442210125737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 442210142091 and 442210142100.

It is not an unprimeable number, because it can be changed into a prime (442210142221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11518660 + ... + 11556986.

It is an arithmetic number, because the mean of its divisors is an integer number (20266619904).

Almost surely, 2^442210142121 is an apocalyptic number.

It is an amenable number.

442210142121 is a deficient number, since it is larger than the sum of its proper divisors (206321694807).

442210142121 is a wasteful number, since it uses less digits than its factorization.

442210142121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41221.

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 442210142121 its reverse (121241012244), we get a palindrome (563451154365).

The spelling of 442210142121 in words is "four hundred forty-two billion, two hundred ten million, one hundred forty-two thousand, one hundred twenty-one".