121230022321 has 4 divisors (see below), whose sum is σ = 121236963700. Its totient is φ = 121223080944.

The previous prime is 121230022297. The next prime is 121230022337. The reversal of 121230022321 is 123220032121.

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 50877764721 + 70352257600 = 225561^2 + 265240^2 .

It is a cyclic number.

It is not a de Polignac number, because 121230022321 - 2¹¹ = 121230020273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121230022021) 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, 3444426 + ... + 3479443.

It is an arithmetic number, because the mean of its divisors is an integer number (30309240925).

Almost surely, 2^121230022321 is an apocalyptic number.

It is an amenable number.

121230022321 is a deficient number, since it is larger than the sum of its proper divisors (6941379).

121230022321 is an equidigital number, since it uses as much as digits as its factorization.

121230022321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6941378.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 121230022321 its reverse (123220032121), we get a palindrome (244450054442).

The spelling of 121230022321 in words is "one hundred twenty-one billion, two hundred thirty million, twenty-two thousand, three hundred twenty-one".