321422101 has 24 divisors (see below), whose sum is σ = 434844032. Its totient is φ = 231184800.

The previous prime is 321422099. The next prime is 321422113. The reversal of 321422101 is 101224123.

It is not a de Polignac number, because 321422101 - 2¹ = 321422099 is a prime.

It is a super-2 number, since 2×321422101² = 206624334022508402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321422701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3585 + ... + 25606.

Almost surely, 2^321422101 is an apocalyptic number.

It is an amenable number.

321422101 is a deficient number, since it is larger than the sum of its proper divisors (113421931).

321422101 is a wasteful number, since it uses less digits than its factorization.

321422101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29233 (or 29222 counting only the distinct ones).

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

The square root of 321422101 is about 17928.2486874764. The cubic root of 321422101 is about 685.0021141178.

Adding to 321422101 its reverse (101224123), we get a palindrome (422646224).

It can be divided in two parts, 32142 and 2101, that added together give a palindrome (34243).

The spelling of 321422101 in words is "three hundred twenty-one million, four hundred twenty-two thousand, one hundred one".