321122320101 has 32 divisors (see below), whose sum is σ = 519081628800. Its totient is φ = 194583565440.

The previous prime is 321122320091. The next prime is 321122320121. The reversal of 321122320101 is 101023221123.

321122320101 is a `hidden beast` number, since 321 + 1 + 22 + 320 + 1 + 0 + 1 = 666.

It is not a de Polignac number, because 321122320101 - 2⁹ = 321122319589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321122320121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1553145 + ... + 1747713.

It is an arithmetic number, because the mean of its divisors is an integer number (16221300900).

Almost surely, 2^321122320101 is an apocalyptic number.

It is an amenable number.

321122320101 is a deficient number, since it is larger than the sum of its proper divisors (197959308699).

321122320101 is a wasteful number, since it uses less digits than its factorization.

321122320101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200146 (or 200140 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 321122320101 its reverse (101023221123), we get a palindrome (422145541224).

The spelling of 321122320101 in words is "three hundred twenty-one billion, one hundred twenty-two million, three hundred twenty thousand, one hundred one".