21022010020313 has 2 divisors, whose sum is σ = 21022010020314. Its totient is φ = 21022010020312.

The previous prime is 21022010020301. The next prime is 21022010020369. The reversal of 21022010020313 is 31302001022012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20473561651984 + 548448368329 = 4524772^2 + 740573^2 .

It is a cyclic number.

It is not a de Polignac number, because 21022010020313 - 2³² = 21017715053017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21022010020291 and 21022010020300.

It is not a weakly prime, because it can be changed into another prime (21022010020013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10511005010156 + 10511005010157.

It is an arithmetic number, because the mean of its divisors is an integer number (10511005010157).

Almost surely, 2^{21022010020313} is an apocalyptic number.

It is an amenable number.

21022010020313 is a deficient number, since it is larger than the sum of its proper divisors (1).

21022010020313 is an equidigital number, since it uses as much as digits as its factorization.

21022010020313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 21022010020313 its reverse (31302001022012), we get a palindrome (52324011042325).

The spelling of 21022010020313 in words is "twenty-one trillion, twenty-two billion, ten million, twenty thousand, three hundred thirteen".