21269103321283 has 2 divisors, whose sum is σ = 21269103321284. Its totient is φ = 21269103321282.

The previous prime is 21269103321259. The next prime is 21269103321407. The reversal of 21269103321283 is 38212330196212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21269103321283 - 2⁵ = 21269103321251 is a prime.

It is not a weakly prime, because it can be changed into another prime (21269103321253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10634551660641 + 10634551660642.

It is an arithmetic number, because the mean of its divisors is an integer number (10634551660642).

Almost surely, 2^{21269103321283} is an apocalyptic number.

21269103321283 is a deficient number, since it is larger than the sum of its proper divisors (1).

21269103321283 is an equidigital number, since it uses as much as digits as its factorization.

21269103321283 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 43.

The spelling of 21269103321283 in words is "twenty-one trillion, two hundred sixty-nine billion, one hundred three million, three hundred twenty-one thousand, two hundred eighty-three".