21202110102233 has 2 divisors, whose sum is σ = 21202110102234. Its totient is φ = 21202110102232.

The previous prime is 21202110102181. The next prime is 21202110102241. The reversal of 21202110102233 is 33220101120212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21189790878169 + 12319224064 = 4603237^2 + 110992^2 .

It is a cyclic number.

It is not a de Polignac number, because 21202110102233 - 2¹⁶ = 21202110036697 is a prime.

It is not a weakly prime, because it can be changed into another prime (21202110102133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10601055051116 + 10601055051117.

It is an arithmetic number, because the mean of its divisors is an integer number (10601055051117).

Almost surely, 2^{21202110102233} is an apocalyptic number.

It is an amenable number.

21202110102233 is a deficient number, since it is larger than the sum of its proper divisors (1).

21202110102233 is an equidigital number, since it uses as much as digits as its factorization.

21202110102233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 21202110102233 its reverse (33220101120212), we get a palindrome (54422211222445).

The spelling of 21202110102233 in words is "twenty-one trillion, two hundred two billion, one hundred ten million, one hundred two thousand, two hundred thirty-three".