1032100221329 has 2 divisors, whose sum is σ = 1032100221330. Its totient is φ = 1032100221328.

The previous prime is 1032100221307. The next prime is 1032100221331. The reversal of 1032100221329 is 9231220012301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 959081372929 + 73018848400 = 979327^2 + 270220^2 .

It is a cyclic number.

It is not a de Polignac number, because 1032100221329 - 2³² = 1027805254033 is a prime.

Together with 1032100221331, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1032100221298 and 1032100221307.

It is not a weakly prime, because it can be changed into another prime (1032100221379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 516050110664 + 516050110665.

It is an arithmetic number, because the mean of its divisors is an integer number (516050110665).

Almost surely, 2^{1032100221329} is an apocalyptic number.

It is an amenable number.

1032100221329 is a deficient number, since it is larger than the sum of its proper divisors (1).

1032100221329 is an equidigital number, since it uses as much as digits as its factorization.

1032100221329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 1032100221329 in words is "one trillion, thirty-two billion, one hundred million, two hundred twenty-one thousand, three hundred twenty-nine".