21201400410213 has 8 divisors (see below), whose sum is σ = 28484324215776. Its totient is φ = 14026371772400.

The previous prime is 21201400410209. The next prime is 21201400410233. The reversal of 21201400410213 is 31201400410212.

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 21201400410213 - 2² = 21201400410209 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 21201400410213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21201400410233) 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, 26973791478 + ... + 26973792263.

It is an arithmetic number, because the mean of its divisors is an integer number (3560540526972).

Almost surely, 2^{21201400410213} is an apocalyptic number.

It is an amenable number.

21201400410213 is a deficient number, since it is larger than the sum of its proper divisors (7282923805563).

21201400410213 is a wasteful number, since it uses less digits than its factorization.

21201400410213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53947583875.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 21201400410213 its reverse (31201400410212), we get a palindrome (52402800820425).

Subtracting 21201400410213 from its reverse (31201400410212), we obtain a palindrome (9999999999999).

The spelling of 21201400410213 in words is "twenty-one trillion, two hundred one billion, four hundred million, four hundred ten thousand, two hundred thirteen".