21214132113 has 8 divisors (see below), whose sum is σ = 29260872000. Its totient is φ = 13655073488.

The previous prime is 21214132109. The next prime is 21214132117. The reversal of 21214132113 is 31123141212.

It is an interprime number because it is at equal distance from previous prime (21214132109) and next prime (21214132117).

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

It is a cyclic number.

It is not a de Polignac number, because 21214132113 - 2² = 21214132109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 21214132113.

It is not an unprimeable number, because it can be changed into a prime (21214132117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121920213 + ... + 121920386.

It is an arithmetic number, because the mean of its divisors is an integer number (3657609000).

Almost surely, 2^21214132113 is an apocalyptic number.

It is an amenable number.

21214132113 is a deficient number, since it is larger than the sum of its proper divisors (8046739887).

21214132113 is a wasteful number, since it uses less digits than its factorization.

21214132113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243840631.

The product of its digits is 288, while the sum is 21.

Adding to 21214132113 its reverse (31123141212), we get a palindrome (52337273325).

Subtracting 21214132113 from its reverse (31123141212), we obtain a palindrome (9909009099).

The spelling of 21214132113 in words is "twenty-one billion, two hundred fourteen million, one hundred thirty-two thousand, one hundred thirteen".