21223231032301 has 2 divisors, whose sum is σ = 21223231032302. Its totient is φ = 21223231032300.

The previous prime is 21223231032277. The next prime is 21223231032317. The reversal of 21223231032301 is 10323013232212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13814981356201 + 7408249676100 = 3716851^2 + 2721810^2 .

It is a cyclic number.

It is not a de Polignac number, because 21223231032301 - 2¹³ = 21223231024109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21223231002301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10611615516150 + 10611615516151.

It is an arithmetic number, because the mean of its divisors is an integer number (10611615516151).

Almost surely, 2^{21223231032301} is an apocalyptic number.

It is an amenable number.

21223231032301 is a deficient number, since it is larger than the sum of its proper divisors (1).

21223231032301 is an equidigital number, since it uses as much as digits as its factorization.

21223231032301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 21223231032301 its reverse (10323013232212), we get a palindrome (31546244264513).

The spelling of 21223231032301 in words is "twenty-one trillion, two hundred twenty-three billion, two hundred thirty-one million, thirty-two thousand, three hundred one".