21213433014411 has 16 divisors (see below), whose sum is σ = 30860526879360. Its totient is φ = 12854699272320.

The previous prime is 21213433014407. The next prime is 21213433014419. The reversal of 21213433014411 is 11441033431212.

It is not a de Polignac number, because 21213433014411 - 2² = 21213433014407 is a prime.

It is a super-3 number, since 3×21213433014411³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (21213433014419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47946381 + ... + 48386798.

It is an arithmetic number, because the mean of its divisors is an integer number (1928782929960).

Almost surely, 2^{21213433014411} is an apocalyptic number.

21213433014411 is a deficient number, since it is larger than the sum of its proper divisors (9647093864949).

21213433014411 is a wasteful number, since it uses less digits than its factorization.

21213433014411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96339866.

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 21213433014411 its reverse (11441033431212), we get a palindrome (32654466445623).

The spelling of 21213433014411 in words is "twenty-one trillion, two hundred thirteen billion, four hundred thirty-three million, fourteen thousand, four hundred eleven".