21332222223293 has 2 divisors, whose sum is σ = 21332222223294. Its totient is φ = 21332222223292.

The previous prime is 21332222223269. The next prime is 21332222223331. The reversal of 21332222223293 is 39232222223312.

It is an a-pointer prime, because the next prime (21332222223331) can be obtained adding 21332222223293 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12623219208889 + 8709003014404 = 3552917^2 + 2951102^2 .

It is a cyclic number.

It is not a de Polignac number, because 21332222223293 - 2⁶ = 21332222223229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21332222223203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10666111111646 + 10666111111647.

It is an arithmetic number, because the mean of its divisors is an integer number (10666111111647).

Almost surely, 2^{21332222223293} is an apocalyptic number.

It is an amenable number.

21332222223293 is a deficient number, since it is larger than the sum of its proper divisors (1).

21332222223293 is an equidigital number, since it uses as much as digits as its factorization.

21332222223293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 186624, while the sum is 38.

The spelling of 21332222223293 in words is "twenty-one trillion, three hundred thirty-two billion, two hundred twenty-two million, two hundred twenty-three thousand, two hundred ninety-three".