21216032363314 has 16 divisors (see below), whose sum is σ = 32122519090200. Its totient is φ = 10508565435264.

The previous prime is 21216032363311. The next prime is 21216032363321. The reversal of 21216032363314 is 41336323061212.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 16402637700289 + 4813394663025 = 4050017^2 + 2193945^2 .

It is not an unprimeable number, because it can be changed into a prime (21216032363311) 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, 8780049 + ... + 10932580.

Almost surely, 2^{21216032363314} is an apocalyptic number.

21216032363314 is a deficient number, since it is larger than the sum of its proper divisors (10906486726886).

21216032363314 is a wasteful number, since it uses less digits than its factorization.

21216032363314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19717677.

The product of its (nonzero) digits is 93312, while the sum is 37.

The spelling of 21216032363314 in words is "twenty-one trillion, two hundred sixteen billion, thirty-two million, three hundred sixty-three thousand, three hundred fourteen".