21213611546014 has 8 divisors (see below), whose sum is σ = 31820622296400. Its totient is φ = 10606737447216.

The previous prime is 21213611546011. The next prime is 21213611546021. The reversal of 21213611546014 is 41064511631212.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21213611546011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33773914 + ... + 34396285.

It is an arithmetic number, because the mean of its divisors is an integer number (3977577787050).

Almost surely, 2^{21213611546014} is an apocalyptic number.

21213611546014 is a deficient number, since it is larger than the sum of its proper divisors (10607010750386).

21213611546014 is a wasteful number, since it uses less digits than its factorization.

21213611546014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68325794.

The product of its (nonzero) digits is 34560, while the sum is 37.

The spelling of 21213611546014 in words is "twenty-one trillion, two hundred thirteen billion, six hundred eleven million, five hundred forty-six thousand, fourteen".