21010233333307 has 2 divisors, whose sum is σ = 21010233333308. Its totient is φ = 21010233333306.

The previous prime is 21010233333289. The next prime is 21010233333337. The reversal of 21010233333307 is 70333333201012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21010233333307 - 2³¹ = 21008085849659 is a prime.

It is not a weakly prime, because it can be changed into another prime (21010233333337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10505116666653 + 10505116666654.

It is an arithmetic number, because the mean of its divisors is an integer number (10505116666654).

Almost surely, 2^{21010233333307} is an apocalyptic number.

21010233333307 is a deficient number, since it is larger than the sum of its proper divisors (1).

21010233333307 is an equidigital number, since it uses as much as digits as its factorization.

21010233333307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 31.

Adding to 21010233333307 its reverse (70333333201012), we get a palindrome (91343566534319).

The spelling of 21010233333307 in words is "twenty-one trillion, ten billion, two hundred thirty-three million, three hundred thirty-three thousand, three hundred seven".