322101421 has 2 divisors, whose sum is σ = 322101422. Its totient is φ = 322101420.

The previous prime is 322101379. The next prime is 322101427. The reversal of 322101421 is 124101223.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 220374025 + 101727396 = 14845^2 + 10086^2 .

It is a cyclic number.

It is not a de Polignac number, because 322101421 - 2¹¹ = 322099373 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 322101395 and 322101404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (322101427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161050710 + 161050711.

It is an arithmetic number, because the mean of its divisors is an integer number (161050711).

Almost surely, 2^322101421 is an apocalyptic number.

It is an amenable number.

322101421 is a deficient number, since it is larger than the sum of its proper divisors (1).

322101421 is an equidigital number, since it uses as much as digits as its factorization.

322101421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 322101421 is about 17947.1842081147. The cubic root of 322101421 is about 685.4843545454.

Adding to 322101421 its reverse (124101223), we get a palindrome (446202644).

The spelling of 322101421 in words is "three hundred twenty-two million, one hundred one thousand, four hundred twenty-one".