42322111400421 has 32 divisors (see below), whose sum is σ = 64401495966720. Its totient is φ = 27453798478512.

The previous prime is 42322111400377. The next prime is 42322111400519. The reversal of 42322111400421 is 12400411122324.

42322111400421 is a `hidden beast` number, since 4 + 2 + 3 + 2 + 211 + 1 + 400 + 42 + 1 = 666.

It is not a de Polignac number, because 42322111400421 - 2¹¹ = 42322111398373 is a prime.

It is a super-2 number, since 2×42322111400421² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42322111402421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68997231 + ... + 69607916.

It is an arithmetic number, because the mean of its divisors is an integer number (2012546748960).

Almost surely, 2^{42322111400421} is an apocalyptic number.

It is an amenable number.

42322111400421 is a deficient number, since it is larger than the sum of its proper divisors (22079384566299).

42322111400421 is a wasteful number, since it uses less digits than its factorization.

42322111400421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138605462 (or 138605456 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 42322111400421 its reverse (12400411122324), we get a palindrome (54722522522745).

The spelling of 42322111400421 in words is "forty-two trillion, three hundred twenty-two billion, one hundred eleven million, four hundred thousand, four hundred twenty-one".