21202330112207 has 2 divisors, whose sum is σ = 21202330112208. Its totient is φ = 21202330112206.

The previous prime is 21202330112113. The next prime is 21202330112231. The reversal of 21202330112207 is 70221103320212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21202330112207 - 2¹² = 21202330108111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21202330112237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10601165056103 + 10601165056104.

It is an arithmetic number, because the mean of its divisors is an integer number (10601165056104).

Almost surely, 2^{21202330112207} is an apocalyptic number.

21202330112207 is a deficient number, since it is larger than the sum of its proper divisors (1).

21202330112207 is an equidigital number, since it uses as much as digits as its factorization.

21202330112207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 26.

Adding to 21202330112207 its reverse (70221103320212), we get a palindrome (91423433432419).

The spelling of 21202330112207 in words is "twenty-one trillion, two hundred two billion, three hundred thirty million, one hundred twelve thousand, two hundred seven".