321120102112111 has 16 divisors (see below), whose sum is σ = 332046115688448. Its totient is φ = 310416573736800.

The previous prime is 321120102111997. The next prime is 321120102112127. The reversal of 321120102112111 is 111211201021123.

It is a cyclic number.

It is not a de Polignac number, because 321120102112111 - 2⁷ = 321120102111983 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 (321120102112141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165066651 + ... + 167000716.

It is an arithmetic number, because the mean of its divisors is an integer number (20752882230528).

Almost surely, 2^{321120102112111} is an apocalyptic number.

321120102112111 is a deficient number, since it is larger than the sum of its proper divisors (10926013576337).

321120102112111 is a wasteful number, since it uses less digits than its factorization.

321120102112111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332067702.

The product of its (nonzero) digits is 48, while the sum is 19.

Adding to 321120102112111 its reverse (111211201021123), we get a palindrome (432331303133234).

The spelling of 321120102112111 in words is "three hundred twenty-one trillion, one hundred twenty billion, one hundred two million, one hundred twelve thousand, one hundred eleven".