21269103321407 has 2 divisors, whose sum is σ = 21269103321408. Its totient is φ = 21269103321406.

The previous prime is 21269103321283. The next prime is 21269103321437. The reversal of 21269103321407 is 70412330196212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21269103321407 - 2¹⁰ = 21269103320383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21269103321437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10634551660703 + 10634551660704.

It is an arithmetic number, because the mean of its divisors is an integer number (10634551660704).

Almost surely, 2^{21269103321407} is an apocalyptic number.

21269103321407 is a deficient number, since it is larger than the sum of its proper divisors (1).

21269103321407 is an equidigital number, since it uses as much as digits as its factorization.

21269103321407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 41.

The spelling of 21269103321407 in words is "twenty-one trillion, two hundred sixty-nine billion, one hundred three million, three hundred twenty-one thousand, four hundred seven".