21202233132213 has 24 divisors (see below), whose sum is σ = 35310250891968. Its totient is φ = 12008344424832.

The previous prime is 21202233132167. The next prime is 21202233132239. The reversal of 21202233132213 is 31223133220212.

21202233132213 is a `hidden beast` number, since 2 + 1 + 2 + 0 + 2 + 2 + 331 + 322 + 1 + 3 = 666.

It is not a de Polignac number, because 21202233132213 - 2⁸ = 21202233131957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21202233130213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1489122895 + ... + 1489137132.

It is an arithmetic number, because the mean of its divisors is an integer number (1471260453832).

Almost surely, 2^{21202233132213} is an apocalyptic number.

It is an amenable number.

21202233132213 is a deficient number, since it is larger than the sum of its proper divisors (14108017759755).

21202233132213 is a wasteful number, since it uses less digits than its factorization.

21202233132213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2978260153 (or 2978260150 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 21202233132213 its reverse (31223133220212), we get a palindrome (52425366352425).

The spelling of 21202233132213 in words is "twenty-one trillion, two hundred two billion, two hundred thirty-three million, one hundred thirty-two thousand, two hundred thirteen".