22100321020321 has 2 divisors, whose sum is σ = 22100321020322. Its totient is φ = 22100321020320.

The previous prime is 22100321020273. The next prime is 22100321020381. The reversal of 22100321020321 is 12302012300122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21248273872225 + 852047148096 = 4609585^2 + 923064^2 .

It is a cyclic number.

It is not a de Polignac number, because 22100321020321 - 2²¹ = 22100318923169 is a prime.

It is not a weakly prime, because it can be changed into another prime (22100321020381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11050160510160 + 11050160510161.

It is an arithmetic number, because the mean of its divisors is an integer number (11050160510161).

Almost surely, 2^{22100321020321} is an apocalyptic number.

It is an amenable number.

22100321020321 is a deficient number, since it is larger than the sum of its proper divisors (1).

22100321020321 is an equidigital number, since it uses as much as digits as its factorization.

22100321020321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 22100321020321 its reverse (12302012300122), we get a palindrome (34402333320443).

The spelling of 22100321020321 in words is "twenty-two trillion, one hundred billion, three hundred twenty-one million, twenty thousand, three hundred twenty-one".