21334111402007 has 2 divisors, whose sum is σ = 21334111402008. Its totient is φ = 21334111402006.

The previous prime is 21334111401991. The next prime is 21334111402033. The reversal of 21334111402007 is 70020411143312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21334111402007 - 2⁴ = 21334111401991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21334111422007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10667055701003 + 10667055701004.

It is an arithmetic number, because the mean of its divisors is an integer number (10667055701004).

Almost surely, 2^{21334111402007} is an apocalyptic number.

21334111402007 is a deficient number, since it is larger than the sum of its proper divisors (1).

21334111402007 is an equidigital number, since it uses as much as digits as its factorization.

21334111402007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 29.

Adding to 21334111402007 its reverse (70020411143312), we get a palindrome (91354522545319).

The spelling of 21334111402007 in words is "twenty-one trillion, three hundred thirty-four billion, one hundred eleven million, four hundred two thousand, seven".