21202233132211 has 8 divisors (see below), whose sum is σ = 21740386331664. Its totient is φ = 20665081150080.

The previous prime is 21202233132167. The next prime is 21202233132239. The reversal of 21202233132211 is 11223133220212.

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 21202233132211 - 2³⁷ = 21064794178739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21202233132281) 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 7 ways as a sum of consecutive naturals, for example, 250261441 + ... + 250346146.

It is an arithmetic number, because the mean of its divisors is an integer number (2717548291458).

Almost surely, 2^{21202233132211} is an apocalyptic number.

21202233132211 is a deficient number, since it is larger than the sum of its proper divisors (538153199453).

21202233132211 is a wasteful number, since it uses less digits than its factorization.

21202233132211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500608661.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 21202233132211 its reverse (11223133220212), we get a palindrome (32425366352423).

The spelling of 21202233132211 in words is "twenty-one trillion, two hundred two billion, two hundred thirty-three million, one hundred thirty-two thousand, two hundred eleven".