21310110321083 has 2 divisors, whose sum is σ = 21310110321084. Its totient is φ = 21310110321082.

The previous prime is 21310110321023. The next prime is 21310110321173. The reversal of 21310110321083 is 38012301101312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21310110321083 - 2¹² = 21310110316987 is a prime.

It is not a weakly prime, because it can be changed into another prime (21310110321023) 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 as a sum of consecutive naturals, namely, 10655055160541 + 10655055160542.

It is an arithmetic number, because the mean of its divisors is an integer number (10655055160542).

Almost surely, 2^{21310110321083} is an apocalyptic number.

21310110321083 is a deficient number, since it is larger than the sum of its proper divisors (1).

21310110321083 is an equidigital number, since it uses as much as digits as its factorization.

21310110321083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 26.

Adding to 21310110321083 its reverse (38012301101312), we get a palindrome (59322411422395).

The spelling of 21310110321083 in words is "twenty-one trillion, three hundred ten billion, one hundred ten million, three hundred twenty-one thousand, eighty-three".