422401111111 has 24 divisors (see below), whose sum is σ = 521056127376. Its totient is φ = 340244593920.

The previous prime is 422401111091. The next prime is 422401111133. The reversal of 422401111111 is 111111104224.

It is not a de Polignac number, because 422401111111 - 2¹¹ = 422401109063 is a prime.

It is a Duffinian number.

422401111111 is a modest number, since divided by 1111111 gives 42240 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422401111141) 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 23 ways as a sum of consecutive naturals, for example, 167040 + ... + 934186.

It is an arithmetic number, because the mean of its divisors is an integer number (21710671974).

Almost surely, 2^422401111111 is an apocalyptic number.

422401111111 is a deficient number, since it is larger than the sum of its proper divisors (98655016265).

422401111111 is a wasteful number, since it uses less digits than its factorization.

422401111111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767839 (or 767832 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 422401111111 its reverse (111111104224), we get a palindrome (533512215335).

The spelling of 422401111111 in words is "four hundred twenty-two billion, four hundred one million, one hundred eleven thousand, one hundred eleven".