21213363061135 has 32 divisors (see below), whose sum is σ = 29394909683712. Its totient is φ = 14395297084800.

The previous prime is 21213363061123. The next prime is 21213363061141. The reversal of 21213363061135 is 53116036331212.

It is not a de Polignac number, because 21213363061135 - 2⁵ = 21213363061103 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21213363061094 and 21213363061103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5838282 + ... + 8747128.

It is an arithmetic number, because the mean of its divisors is an integer number (918590927616).

Almost surely, 2^{21213363061135} is an apocalyptic number.

21213363061135 is a deficient number, since it is larger than the sum of its proper divisors (8181546622577).

21213363061135 is a wasteful number, since it uses less digits than its factorization.

21213363061135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2911023.

The product of its (nonzero) digits is 58320, while the sum is 37.

Adding to 21213363061135 its reverse (53116036331212), we get a palindrome (74329399392347).

The spelling of 21213363061135 in words is "twenty-one trillion, two hundred thirteen billion, three hundred sixty-three million, sixty-one thousand, one hundred thirty-five".