121322132321 has 8 divisors (see below), whose sum is σ = 130658261160. Its totient is φ = 111986525952.

The previous prime is 121322132279. The next prime is 121322132333. The reversal of 121322132321 is 123231223121.

It can be written as a sum of positive squares in 4 ways, for example, as 3106501696 + 118215630625 = 55736^2 + 343825^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121322132321 - 2¹⁰ = 121322131297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121322132341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 445961 + ... + 664473.

It is an arithmetic number, because the mean of its divisors is an integer number (16332282645).

Almost surely, 2^121322132321 is an apocalyptic number.

It is an amenable number.

121322132321 is a deficient number, since it is larger than the sum of its proper divisors (9336128839).

121322132321 is a wasteful number, since it uses less digits than its factorization.

121322132321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261235.

The product of its digits is 864, while the sum is 23.

Adding to 121322132321 its reverse (123231223121), we get a palindrome (244553355442).

The spelling of 121322132321 in words is "one hundred twenty-one billion, three hundred twenty-two million, one hundred thirty-two thousand, three hundred twenty-one".