321121000113 has 16 divisors (see below), whose sum is σ = 440712691200. Its totient is φ = 207830762496.

The previous prime is 321121000091. The next prime is 321121000117. The reversal of 321121000113 is 311000121123.

It is a happy number.

It is not a de Polignac number, because 321121000113 - 2¹⁶ = 321120934577 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 321121000092 and 321121000101.

It is not an unprimeable number, because it can be changed into a prime (321121000117) 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, 3171745 + ... + 3271422.

It is an arithmetic number, because the mean of its divisors is an integer number (27544543200).

Almost surely, 2^321121000113 is an apocalyptic number.

It is an amenable number.

321121000113 is a deficient number, since it is larger than the sum of its proper divisors (119591691087).

321121000113 is a wasteful number, since it uses less digits than its factorization.

321121000113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6443656.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 321121000113 its reverse (311000121123), we get a palindrome (632121121236).

The spelling of 321121000113 in words is "three hundred twenty-one billion, one hundred twenty-one million, one hundred thirteen", and thus it is an aban number.