321120030101 has 4 divisors (see below), whose sum is σ = 345821570892. Its totient is φ = 296418489312.

The previous prime is 321120030079. The next prime is 321120030109. The reversal of 321120030101 is 101030021123.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29923810225 + 291196219876 = 172985^2 + 539626^2 .

It is a cyclic number.

It is not a de Polignac number, because 321120030101 - 2⁶ = 321120030037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321120030109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12350770376 + ... + 12350770401.

It is an arithmetic number, because the mean of its divisors is an integer number (86455392723).

Almost surely, 2^321120030101 is an apocalyptic number.

It is an amenable number.

321120030101 is a deficient number, since it is larger than the sum of its proper divisors (24701540791).

321120030101 is a wasteful number, since it uses less digits than its factorization.

321120030101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24701540790.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 321120030101 its reverse (101030021123), we get a palindrome (422150051224).

The spelling of 321120030101 in words is "three hundred twenty-one billion, one hundred twenty million, thirty thousand, one hundred one".