21133132414 has 16 divisors (see below), whose sum is σ = 32837736960. Its totient is φ = 10193011840.

The previous prime is 21133132411. The next prime is 21133132421. The reversal of 21133132414 is 41423133112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21133132411) 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 7 ways as a sum of consecutive naturals, for example, 1440574 + ... + 1455169.

It is an arithmetic number, because the mean of its divisors is an integer number (2052358560).

Almost surely, 2^21133132414 is an apocalyptic number.

21133132414 is a deficient number, since it is larger than the sum of its proper divisors (11704604546).

21133132414 is a wasteful number, since it uses less digits than its factorization.

21133132414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2895875.

The product of its digits is 1728, while the sum is 25.

Adding to 21133132414 its reverse (41423133112), we get a palindrome (62556265526).

The spelling of 21133132414 in words is "twenty-one billion, one hundred thirty-three million, one hundred thirty-two thousand, four hundred fourteen".