21411141234 has 24 divisors (see below), whose sum is σ = 49813676208. Its totient is φ = 6117468840.

The previous prime is 21411141151. The next prime is 21411141239. The reversal of 21411141234 is 43214111412.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (21411141239) 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 11 ways as a sum of consecutive naturals, for example, 36413212 + ... + 36413799.

It is an arithmetic number, because the mean of its divisors is an integer number (2075569842).

Almost surely, 2^21411141234 is an apocalyptic number.

21411141234 is an abundant number, since it is smaller than the sum of its proper divisors (28402534974).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21411141234 is a wasteful number, since it uses less digits than its factorization.

21411141234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72827030 (or 72827023 counting only the distinct ones).

The product of its digits is 768, while the sum is 24.

Adding to 21411141234 its reverse (43214111412), we get a palindrome (64625252646).

The spelling of 21411141234 in words is "twenty-one billion, four hundred eleven million, one hundred forty-one thousand, two hundred thirty-four".