21213416200354 has 8 divisors (see below), whose sum is σ = 36365856343488. Its totient is φ = 9091464085860.

The previous prime is 21213416200351. The next prime is 21213416200363. The reversal of 21213416200354 is 45300261431212.

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

It is not an unprimeable number, because it can be changed into a prime (21213416200351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 757622007142 + ... + 757622007169.

It is an arithmetic number, because the mean of its divisors is an integer number (4545732042936).

Almost surely, 2^{21213416200354} is an apocalyptic number.

21213416200354 is a deficient number, since it is larger than the sum of its proper divisors (15152440143134).

21213416200354 is a wasteful number, since it uses less digits than its factorization.

21213416200354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1515244014320.

The product of its (nonzero) digits is 34560, while the sum is 34.

Adding to 21213416200354 its reverse (45300261431212), we get a palindrome (66513677631566).

The spelling of 21213416200354 in words is "twenty-one trillion, two hundred thirteen billion, four hundred sixteen million, two hundred thousand, three hundred fifty-four".