21213554565314 has 16 divisors (see below), whose sum is σ = 32236233780096. Its totient is φ = 10468874883600.

The previous prime is 21213554565277. The next prime is 21213554565319. The reversal of 21213554565314 is 41356545531212.

It is not an unprimeable number, because it can be changed into a prime (21213554565319) 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, 182836397 + ... + 182952384.

It is an arithmetic number, because the mean of its divisors is an integer number (2014764611256).

Almost surely, 2^{21213554565314} is an apocalyptic number.

21213554565314 is a deficient number, since it is larger than the sum of its proper divisors (11022679214782).

21213554565314 is a wasteful number, since it uses less digits than its factorization.

21213554565314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365789161.

The product of its digits is 2160000, while the sum is 47.

The spelling of 21213554565314 in words is "twenty-one trillion, two hundred thirteen billion, five hundred fifty-four million, five hundred sixty-five thousand, three hundred fourteen".