21131440114 has 8 divisors (see below), whose sum is σ = 31700686320. Its totient is φ = 10564544676.

The previous prime is 21131440097. The next prime is 21131440117. The reversal of 21131440114 is 41104413112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×21131440114² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21131440117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 565044 + ... + 601279.

It is an arithmetic number, because the mean of its divisors is an integer number (3962585790).

Almost surely, 2^21131440114 is an apocalyptic number.

21131440114 is a deficient number, since it is larger than the sum of its proper divisors (10569246206).

21131440114 is a wasteful number, since it uses less digits than its factorization.

21131440114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175384.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 21131440114 its reverse (41104413112), we get a palindrome (62235853226).

The spelling of 21131440114 in words is "twenty-one billion, one hundred thirty-one million, four hundred forty thousand, one hundred fourteen".