121010323321 has 32 divisors (see below), whose sum is σ = 131597353728. Its totient is φ = 110857850880.

The previous prime is 121010323309. The next prime is 121010323331. The reversal of 121010323321 is 123323010121.

It is a cyclic number.

It is not a de Polignac number, because 121010323321 - 2⁵ = 121010323289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121010323331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37778706 + ... + 37781908.

It is an arithmetic number, because the mean of its divisors is an integer number (4112417304).

Almost surely, 2^121010323321 is an apocalyptic number.

It is an amenable number.

121010323321 is a deficient number, since it is larger than the sum of its proper divisors (10587030407).

121010323321 is a wasteful number, since it uses less digits than its factorization.

121010323321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3681.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 121010323321 its reverse (123323010121), we get a palindrome (244333333442).

The spelling of 121010323321 in words is "one hundred twenty-one billion, ten million, three hundred twenty-three thousand, three hundred twenty-one".