21202223133133 has 8 divisors (see below), whose sum is σ = 24231199929920. Its totient is φ = 18173268280800.

The previous prime is 21202223133121. The next prime is 21202223133191. The reversal of 21202223133133 is 33133132220212.

It is a happy number.

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 21202223133133 - 2¹³ = 21202223124941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21202223134133) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3360843 + ... + 7328008.

It is an arithmetic number, because the mean of its divisors is an integer number (3028899991240).

Almost surely, 2^{21202223133133} is an apocalyptic number.

It is an amenable number.

21202223133133 is a deficient number, since it is larger than the sum of its proper divisors (3028976796787).

21202223133133 is a wasteful number, since it uses less digits than its factorization.

21202223133133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10972227.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 21202223133133 its reverse (33133132220212), we get a palindrome (54335355353345).

The spelling of 21202223133133 in words is "twenty-one trillion, two hundred two billion, two hundred twenty-three million, one hundred thirty-three thousand, one hundred thirty-three".