10223214231421 has 2 divisors, whose sum is σ = 10223214231422. Its totient is φ = 10223214231420.

The previous prime is 10223214231389. The next prime is 10223214231481. The reversal of 10223214231421 is 12413241232201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10214352080100 + 8862151321 = 3195990^2 + 94139^2 .

It is a cyclic number.

It is not a de Polignac number, because 10223214231421 - 2⁵ = 10223214231389 is a prime.

It is a super-3 number, since 3×10223214231421³ (a number of 40 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10223214231421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10223214231481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5111607115710 + 5111607115711.

It is an arithmetic number, because the mean of its divisors is an integer number (5111607115711).

Almost surely, 2^{10223214231421} is an apocalyptic number.

It is an amenable number.

10223214231421 is a deficient number, since it is larger than the sum of its proper divisors (1).

10223214231421 is an equidigital number, since it uses as much as digits as its factorization.

10223214231421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 10223214231421 its reverse (12413241232201), we get a palindrome (22636455463622).

The spelling of 10223214231421 in words is "ten trillion, two hundred twenty-three billion, two hundred fourteen million, two hundred thirty-one thousand, four hundred twenty-one".