421122315105 has 12 divisors (see below), whose sum is σ = 729945346260. Its totient is φ = 224598568032.

The previous prime is 421122315083. The next prime is 421122315109. The reversal of 421122315105 is 501513221124.

It is a happy number.

421122315105 is a `hidden beast` number, since 4 + 2 + 112 + 2 + 31 + 510 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 171130315041 + 249992000064 = 413679^2 + 499992^2 .

It is not a de Polignac number, because 421122315105 - 2¹⁸ = 421122052961 is a prime.

It is a super-2 number, since 2×421122315105² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (421122315109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4679136790 + ... + 4679136879.

It is an arithmetic number, because the mean of its divisors is an integer number (60828778855).

Almost surely, 2^421122315105 is an apocalyptic number.

421122315105 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

421122315105 is a deficient number, since it is larger than the sum of its proper divisors (308823031155).

421122315105 is a wasteful number, since it uses less digits than its factorization.

421122315105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9358273680 (or 9358273677 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 421122315105 its reverse (501513221124), we get a palindrome (922635536229).

The spelling of 421122315105 in words is "four hundred twenty-one billion, one hundred twenty-two million, three hundred fifteen thousand, one hundred five".